Advanced Technology for SONET-SDH Metro Optical Infrastructure Deployment

Co p y r ig h t © 2 0 0 2 , Cis c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . P r in te d in U S A .P r e s e n ta tio n _ ID .s c r

2© 20 0 3 , C is c o S y s te m s , In c . A ll rig h ts re s e rv e d .

O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

A d v a n c e d T e c h n o lo g ie s fo r S O N E T /S D H M e tr o O p tic a l In fr a s tr u c tu r e D e p lo y m e n t

S e s s io n O P T -4 0 4 0



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

A d v a n c e d T e c h n o lo g ie s fo r S O N E T /S D H

• E n c a p s u la tio n fo r O p tic a l T r a n s p o r ts

• M a p p in g D a ta o v e r S O N E T /S D H

• Q o S fo r D a ta o v e r S O N E T /S D H A p p lic a tio n s

• O p tim iz in g S O N E T /S D H fo r D a ta T r a n s p o r t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E n c a p s u la tio n fo r O p tic a l T r a n s p o r ts

(G .7 0 9 , F o r w a r d E r r o r Co r r e c tio n )



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U -T G .7 0 9

• O p tic a l T r a n s p o r t H ie r a r c h y (O T H )

• O v e r h e a d (O H ) fu n c tio n s fo r m u lti-λλλλo p tic a l n e tw o r k s u p p o r t

• F r a m e s tr u c tu r e s

• B it r a te s

• F o r m a ts fo r m a p p in g c lie n t s ig n a ls


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

B a c k g r o u n d

• B u ild s o n G R .2 5 3 (S O N E T ) a n d G .6 9 1 (S D H )

L a y e r e d s tr u c tu r e

In -s e r v ic e p e r fo r m a n c e m o n ito r in g

P r o te c tio n

• N e w e le m e n ts

O p tic a l c h a n n e l m a n a g e m e n t in th e o p tic a l d o m a in

F o r w a r d E r r o r Co r r e c tio n (F E C)



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

W h y G .7 0 9 ?

• P e r c h a n n e l m a n a g e m e n t

• P e r fo r m a n c e m o n ito r in g in D W D M d o m a in

• A u to m a tic r o u te d is c o v e r y

• S ta n d a r d s -b a s e d F E C


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

W h a t Is G .7 0 9 ?

• D ig ita l w r a p p e r

• E x tr a o v e r h e a d o n to p o f e x is tin g b it s tr e a m s

S O N E T /S D H

IP

E th e r n e t

A T M

• P r o v id e s p e r fo r m a n c e

P e r fo r m a n c e m a n a g e m e n t

P e r fo r m a n c e im p r o v e m e n t



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

O T N L a y e r s

O p tic a l A m p lifie r s M U X /D E M U X

O p tic a lCh a n n e ls

M U X /D E M U X

O p tic a lCh a n n e ls

O Ch

O M S

O T SO T S O T S

O p tic a l T r a n s m is s io n S e c tio n (O T S n )*O p tic a l M u ltip le x S e c tio n (O M S n )*O p tic a l M u ltip le x S e c tio n (O M S n )*

O p tic a l Ch a n n e l (O c h )O p tic a l Ch a n n e l (O c h )* N o t Y e t D e fin e d

1 01 01 0© 20 0 3 , C is c o S y s te m s , In c . A ll rig h ts re s e rv e d .

O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Clie n t S ig n a l T r a n s p o r t

• Clie n t s ig n a l + O P U k O H � O P U k *

• O P U k + O D U k O H � O D U k

• O D U k + O T U k O H + F E C � O T U k

• O T U k + O Ch O H � O Ch

L e g e n d : O P U : O p tic a l P a y lo a d U n itO D U : O p tic a l D a ta U n itO T U : O p tic a l T r a n s p o r t U n itO Ch : O p tic a l Ch a n n e l

O p tic a l T r a n s m is s io n

S e c tio n (O T S n )

O p tic a l M u ltip le x O p tic a l M u ltip le x S e c tio n (O M S n )S e c tio n (O M S n )

O p tic a l Ch a n n e l O p tic a l Ch a n n e l (O c h )(O c h )

* G .7 0 9 D e fin e s T h r e e P a y lo a d D a ta R a te s :

1 . 2 .5 G b /s � k = 12 . 1 0 G b /s � k = 23 . 4 0 G b /s � k = 3



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U -T G .7 0 9 M a p p in g

Clie n t P a y lo a dClie n t P a y lo a d

O T U k F E CO T U k F E CClie n t P a y lo a dClie n t P a y lo a dO HO H

Clie n t P a y lo a dClie n t P a y lo a dO H

Clie n t P a y lo a dClie n t P a y lo a dO HO H

Clie n t P a y lo a dClie n t P a y lo a d

A T MA T MS O N E T /S D HS O N E T /S D HG F PG F P --FFG F PG F P --TT

E th e rE th e rIPIPE S CO N /F CE S CO N /F C

O T U k

O Ch r

O P U k

O D U k


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

G .7 0 9 L in e R a te s

3 .0 3 5 µµµµs4 3 ,0 1 8 ,4 1 3 .5 5 9 k b it/s3 9 ,8 1 3 ,1 2 0 k b it/s(2 5 5 /2 3 6 )

O T U 3

1 2 .1 9 1 µµµµs1 0 ,7 0 9 ,2 2 5 .3 1 6 k b it/s9 ,9 5 3 ,2 8 0 k b it/s(2 5 5 /2 3 7 )

O T U 2

4 8 .9 7 1 µµµµs2 ,6 6 6 ,0 5 7 .1 4 3 k b it/s2 ,4 8 8 ,3 2 0 k b it/s(2 5 5 /2 3 8 )

O T U 1

F r a m e F r a m e P e r io dP e r io d

B ite R a teB ite R a te

(2 5 5 ,2 3 9 )(2 5 5 ,2 3 9 )

P a y lo a d P a y lo a d N o m in a l B it N o m in a l B it

R a teR a te

T y p eT y p e



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

B IP -8

• B it In te r le a v e d P a r ity

• E v e n p a r ity c h e c k o n p r e v io u s fr a m e a fte r s c r a m b lin g

• In s e r te d in to c u r r e n t fr a m e b e fo r e s c r a m b lin g

• N o t a n E r r o r Co r r e c tio n m e c h a n is m

• S e c tio n (B 1 ), L in e (B 2 ) a n d P a th (B 3 )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

F o r w a r d E r r o r Co r r e c tio n

• D e te c ts a n d c o r r e c ts e r r o r sCo r r e c tio n u p to 8 b y te e r r o r s (O n e b y te e r r o r o c c u r s w h e n 1 b it in a b y te is w r o n g o r w h e n a llth e b its in a b y te a r e w r o n g . E x a m p le : R S (2 5 5 ,2 3 9 ) c a n c o r r e c t 8 b y te e r r o r s . In th e w o r s t c a s e , 8 b it e r r o r s m a y o c c u r , e a c h in a s e p a r a te b y te s o th a t th e d e c o d e r c o r r e c ts 8 b it e r r o r s . In th e b e s t c a s e , 8 c o m p le te b y te e r r o r s o c c u r s o th a t th e d e c o d e r c o r r e c ts 8 x 8 b it e r r o r s ).

D e te c tio n u p to 1 6 b y te e r r o r s

• In c r e a s e s s y s te m c a p a b ility — c o d in g g a inB e tte r S ig n a l to N o is e R a tio (S N R ) w ith c o n s ta n t s p a n le n g th

L o n g e r s p a n le n g th w ith e n g in e e r e d B E R (B it E r r o r R a te )

E ffe c tiv e 6 d B im p r o v e m e n t in S N R m a r g in (Co d in g G a in )

• R e e d -S o lo m o n (2 5 5 ,2 3 9 ) c o d e

• B y te in te r le a v e d to im p r o v e b u r s t e r r o r p e r fo r m a n c e



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R e e d -S o lo m o n Co d e s

• L in e a r b lo c k c o d e s (s u b s e t o f B CH c o d e s )

• S p e c ifie d a s R S (n,k ) w ith s -b it s y m b o ls

• E n c o d e r

T a k e s k d a ta s y m b o ls o f s b its e a c h

A d d s p a r ity s y m b o ls to m a k e a n n s y m b o l c o d e w o r d

Y ie ld s n-k p a r ity s y m b o ls o f s b its e a c h

• D e c o d e r

Co r r e c ts u p to t s y m b o ls th a t c o n ta in e r r o r s in th e c o d e w o r d

W h e r e 2 t = n-k


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R e e d -S o lo m o n Co d e s (Co n t.)

• W h y 2 5 5 b y te c o d e w o r d s ?

• M a x im u m c o d e w o r d le n g th (n )

F o r a g iv e n s y m b o l s iz e s , m a x im u m c o d e w o r d le n g th (n ) is n = 2 s – 1

• A s w e a r e d e a lin g w ith 8 -b it b y te s

(s = 8 ) a nd n = 2 8 – 1 = 2 5 5



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E r r o r s

• S y m b o l e r r o r o c c u r s

If o n e b it in a s y m b o l is w r o n g

O r if a ll b its in a s y m b o l a r e w r o n g

• R S (2 5 5 , 2 3 9 ) c a n c o r r e c t 8 s y m b o l e r r o r s

8 s in g le b it e r r o r s e a c h in a s e p a r a te b y te

8 b its c o r r e c te d

8 c o m p le te b y te e r r o r s

8 x 8 = 6 4 b its c o r r e c te d

• Ca n d e te c t u p to 2 t e r r o r s

• W e ll s u ite d fo r h a n d lin g b u r s t e r r o r s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R S (2 5 5 , 2 3 9 ) E x a m p le

• 8 -b it s y m b o ls (i.e . b y te )

• 2 5 5 b y te c o d e w o r d

• 2 3 9 d a ta b y te s

• 1 6 p a r ity b y te s

• n = 2 5 5 , k = 2 3 9 , s = 8

• 2 t = 1 6 , t = 8

• E r r o r s in u p to 8 b y te s a n y w h e r e in th e c o d e w o r d c o r r e c te d a u to m a tic a lly

D a taD a ta P a r ityP a r ity

k = 2 3 9 2 t = 1 6

n = 2 5 5



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

G .7 0 9 F E C

• R S (2 5 5 ,2 3 9 )

2 3 9 d a ta b y te s + 1 6 b y te s F E C = 2 5 5 b y te s

• O T U r o w s p lit in to 1 6 s u b r o w s o f 2 5 5 b y te s

1 6 x 2 5 5 = 4 0 8 0 = 1 O T U r o w

• S u b r o w s p r o c e s s e d s e p a r a te ly

• F E C p a r ity c h e c k b y te s

Ca lc u la te d o v e r 2 3 9 b y te s o f s u b r o w

T r a n s m itte d in th e la s t 1 6 b y te s o f s a m e s u b r o w


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2








O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

M a p p in g D a ta o v e r S O N E T /S D H


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t o v e r S O N E T T e c h n o lo g ie s

• M S P P im p le m e n ta tio n s to d a y :

P r o p r ie ta r y P P P /H D L C/L E X

B r id g e Co n tr o l P r o to c o l (B CP )— R F C 2 8 7 8

R e s ilie n t P a c k e t R in g (R P R )— 8 0 2 .1 7

• D r iv in g to w a r d m u lti-v e n d o r , m u lti-S P in te r o p e r a b ility

• G o a l: E lim in a te “ b o o k e n d in g ” o f p r o p r ie ta r y s y s te m s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

H D L C

• F r a m e fo r m a t (e x c lu d in g p a y lo a d ) 5 – 8 b y te s

• A d d r e s s a n d c o n tr o l fie ld c o n te n t is v a r ia b le

A d d r e s s

1 o r 2 B y te s

Co n tr o l

1 o r 2 B y te s

Ch e c k s u m(F CS )

1 o r 2 B y te s

D a ta

0 to n B y te s

In te r fr a m e F ill

0 x 7 E

In te r fr a m e F ill

0 x 7 E

In te r fr a m eF ill

0 X 7 E

In te r fr a m eF ill

0 X 7 E

H D L C F r a m e F o r m a t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P P P

• R F C 2 6 1 5 — P P P o v e r S O N E T /S D H

• O b s o le te s R F C 1 6 1 9

• P P P in H D L C F r a m in g (R F C 1 6 6 2 )

• X 4 3 + 1 s e lf-s y n c h r o n o u s s c r a m b le r

IP -> P P P -> F CS -> S tu ffin g -> S c r a m b lin g -> S O N E T /S D H F r a m in g

• P a th S ig n a l L a b e l (C2 )

2 2 (0 x 1 6 ) = P P P w ith X 4 3 + 1 S c r a m b lin g

2 0 7 (0 x CF ) = P P P w ith o u t S c r a m b lin g



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P P P

• F r a m e fo r m a t (e x c lu d in g p a y lo a d ) 7 – 1 0 b y te s

• A d d r e s s a n d c o n tr o l fie ld c o n te n t is fix e d

• P r o to c o l ID d e s c r ib e s p a y lo a d

F la g

0 x 7 E

F la g

0 x 7 E

A d d r e s s

0 x F F

Co n tr o l

0 x 0 3

F CS

2 o r 4 B y te s

In fo r m a tio n

V a r ia b le /P a d

P r o to c o l ID

1 o r 2 B y te s

F la g

0 X 7 E

F la g

0 X 7 E

P P P F r a m e F o r m a t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S O N E T /S D H

E th e r n e tE th e r n e t

G F P a n d B CP A p p lic a tio n s

• T y p ic a lly a b o o k e n d e d s o lu tio n

• G F P /B CP -a w a r e r o u te r d ir e c tly a tta c h e d to le g a c y S O N E T /S D H n e tw o r k s , m o s t lik e ly th is w ill b e G F P


E th e r n e t A c c e s sE th e r n e t A c c e s sCo r eS O N E TCo r e

S O N E TE th e r n e t A c c e s sE th e r n e t A c c e s s

B CP /G F PB CP /G F P

B CP /G F P A w a r e R o u te r U s in g a P O S P o r t

B CP /G F P A w a r e R o u te r U s in g a P O S P o r t

N e x t G e n S O N E T /S D HN e x t G e n

S O N E T /S D HN e x t G e n

S O N E T /S D HN e x t G e n

S O N E T /S D H

O ld W o r ld S O N E T /S D HO ld W o r ld

S O N E T /S D H

B CP /G F PB CP /G F PA D MA D M



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

B CP F e a tu r e s

• D e fin e s a n e n c a p s u la tio n fo r E th e r n e t (8 0 2 .3 ), 8 0 2 .4 , 8 0 2 .5 a n d F D D I

• U s e s P P P ’s L in k Co n tr o l P r o c e d u r e s fo r lin k e s ta b lis h m e n t

• D e fin e s c o n fig u r a tio n o p tio n s in c lu d in g S T P n e g o tia tio n , tin y g r a m (r u n t) h a n d lin g , s e g m e n t n a m in g a n d r e m o te M A C a s s ig n m e n t a n d s o m e o th e r u s e le s s fe a tu r e s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


(X .8 5 , X .8 6 )



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U X .8 5 : L A P S

• L in k A c c e s s P r o c e d u r e — S D H

• P r o v id e s a s im p le H D L C-lik e s p e c ific a tio n to a d a p ts IP D ir e c tly to S D H /S O N E T

• D e fa u lt m a x im u m fr a m e s iz e o f 1 6 0 0 b y te s

• F CS fie ld 3 2 b its v s . 1 6 /3 2 fo r P P P

• X 4 3 + 1 s e lf-s y n c h r o n o u s s c r a m b le r

H O P a th S ig n a l L a b e l (C2 ) = 2 4 (0 x 1 8 )

L O P a th S ig n a l L a b e l (V 5 ) = 0 3


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U X .8 5 : L A P S

• F r a m e fo r m a t o v e r h e a d fix e d a t 1 0 b y te s

• A ll fie ld c o n te n ts s p e c ifie d w ith in th e s ta n d a r d

• S A P I d e s c r ib e s p a y lo a d :IP v 4 0 0 2 1

IP v 6 0 0 5 7

X .8 5 F r a m e F o r m a t

F la g

0 x 7 E

F la g

0 x 7 E

A d d r e s s

0 x 0 4

Co n tr o l

0 x 0 3

F CS

4 B y te s

In fo r m a tio nS A P I

2 B y te s

F la g

0 X 7 E

F la g

0 X 7 E



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U -T X .8 6 — E th e r n e t o v e r L A P S

• A p p r o v e d in F e b r u a r y 2 0 0 1

• E x p a n d s th e s c o p e o f X .8 5 w ith s p e c ific a tio n fo r E th e r n e t fr a m e tr a n s p o r t o v e r S D H

• In c lu d e s r a te a d a p ta tio n m e c h a n is m to s u p p o r t ‘b u r s tin e s s ’ o f E th e r n e t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t o v e r L A P S N e tw o r k V ie w

L 3

L L C

M A C

L 3 P r o to c o lsL 3 P r o to c o ls

L L CL L C

M A CM A C

L A P SL A P S

S D H /S O N E TS D H /S O N E T

L 3 P r o to c o lsL 3 P r o to c o ls

L L CL L C

M A CM A C

L A P SL A P S

S D H /S O N E TS D H /S O N E T

L 3

L L C

M A C

E th e r n e t o v e r L A P S N e tw o r kL A N L A N

S D H /S O N E TA D M /M S P P

S D H /S O N E TA D M /M S P P

L 2 /L 3S w itc h

L 2 /L 3S w itc h

1 0 /1 0 0 /G b E 1 0 /1 0 0 /G b E



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t/L A P S /S D H R e la tio n s h ip

IE E E 8 0 2 .3 M A C F r a m eIE E E 8 0 2 .3 M A C F r a m e

L A P S

S D H

M II/G M II

E n c a p s u la tio n /D e -E n c a p s u la tio n

A d ju s tm e n t fo r S D H v s . E th e r n e t T r a n s m is s io n Ch a r a c te r is tic s

S w itc h to M S P P P h y s ic a l In te r c o n n e c t

R a te A d a p ta tio n

R e c o n c ilia tio n S u b la y e r


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t M A C F r a m e F o r m a t

• X .8 6 m a x fr a m e s iz e is 1 6 0 0 b y te s

• D o e s n o t a c c o u n t fo r ju m b o fr a m e s w h ic h m a y b e a s s o c ia te d w ith M P L S a n d o th e r a p p lic a tio n s

P r e a m b le (7 O c te ts )P r e a m b le (7 O c te ts )

S O F (1 O c te t)S O F (1 O c te t)

D A (6 O c te ts )D A (6 O c te ts )

S A (6 O c te ts )S A (6 O c te ts )

L e n g th /T y p e (2 O c te ts )L e n g th /T y p e (2 O c te ts )

M A C Clie n t D a ta

P A DP A D

F CS (4 O c te ts )F CS (4 O c te ts )

64–1

518

Byt

es



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t F r a m e E n c a p s u la te d in L A P S

• P r e a m b le a n d S O F a r e r e m o v e d fr o m E th e r n e t fr a m e (8 b y te s )

• F r a m e b e g in s /e n d s w ith 0 x 7 E fla g

• S ta n d a r d s p e c ifie s e n c o d in g fo r a d d r e s s , c o n tr o l, S A P I

• L A P S o v e r h e a d is 1 0 b y te s to ta l

• N e t o v e r h e a d is 2 b y te s p e r fr a m e

5 O

ctet

s5

Oct

ets

F la g (0 x 7 E )F la g (0 x 7 E )

A d d r e s s (0 x 0 4 )A d d r e s s (0 x 0 4 )

Co n tr o l (0 x 0 3 )Co n tr o l (0 x 0 3 )

S e r v ic e A c c e s s P o in t Id e n tifie r (0 x F E )S e r v ic e A c c e s s P o in t Id e n tifie r (0 x F E )

L e n g th /T y p e (2 O c te ts )L e n g th /T y p e (2 O c te ts )

F CS o f L A P SF CS o f L A P S

F la g (0 x 4 E )F la g (0 x 4 E )

D A

S A

L e n g th /T y p e

M A C Clie n t D a ta

P A D

F CS


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R a te A d a p ta tio n

• S y n c h r o n o u s n a tu r e o f S D H /S O N E T r e q u ir e s fix e d -s iz e p a y lo a d fo r tr a n s m is s io n

8 1 0 b y te s /fr a m e , 8 0 0 0 fr a m e s /s e c o n d

• E th e r n e t s u p p o r ts a v a r ie ty o f fr a m e s iz e s , h a s n o r e q u ir e m e n t fo r n u m b e r o f fr a m e s to b e tr a n s m itte d /s e c o n d



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R a te A d a p ta tio n M e c h a n is m

• X .8 6 r a te a d a p ta tio n u s e s b y te -s tu ffin g to m a in ta in p a y lo a d s y n c h r o n iz a tio n

• O c te t w ith v a lu e 0 x D D is in s e r te d in fr a m e to c o m p le te 8 1 0 b y te p a y lo a d w h e n n e c e s s a r y

R a te A d a p t

0 x 7 D ,0 x D D

F la g

0 x 7 E

F la g

0 x 7 E

A d d r e s s

0 x 0 4

Co n tr o l

0 x 0 3

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4 B y te s

In fo r m a tio nS A P I

0 x F E 0 1

F la g

0 X 7 E

F la g

0 X 7 E


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

X .8 6 E th e r n e t F r a m e P r o c e s s in g — T r a n s m it

1 . R e c e iv e E th e r n e t fr a m e th r o u g h M II o r G M II

2 . S y n c h r o n iz e to th e S D H c lo c k3 . A d d s ta r t fla g (0 x 7 E ) o f L A P S fr a m e4 . A d d S A P I, Co n tr o l a n d A d d r e s s

fie ld to fr a m e5 . G e n e r a te F CS o v e r A d d r e s s ,

Co n tr o l, S A P I, a n d L A P S in fo r m a tio n fie ld s

6 . T r a n s p a r e n c y p r o c e s s in g o r o c te t s tu ffin g w ith in th e L A P S fr a m e

7 . If n e e d e d , a d d th e r a te -a d a p ta tio n o c te t(s )— 0 x D D

8 . A d d e n d fla g o f L A P S fr a m e9 . A d d IF G fill o c te ts , if n e e d e d1 0 . S c r a m b le a ll o c te ts b e fo r e

s e n d to S D H p a y lo a d E th e r n e t to S O N E T M S P P

V ia G B IC L in k sto Cu s to m e r

D a ta S w itc h e s

E th e r n e tM u lti-P o r t

S w itc h

S in g le O Cn S O N E T P a y lo a d Co n ta in in g

E th e r n e t F r a m e s

S O N E T T D MM u ltip le x

M a tr ix

S O N E TW o r k in g a n dP r o te c tio nP a th L in k s

E o SS O N E T

A D MS O N E T O Cn Cir c u it

Ca r r y in gD e d ic a te d P t-P tE th e r n e t T r a ffic

W o r k in g

P r o te c tio n



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

X .8 6 E th e r n e t F r a m e P r o c e s s in g — R e c e iv e

1 . D e s c r a m b le a ll o c te ts b e fo r e p r o c e s s in g

2 . R e m o v e IF G fill o c te ts if n e e d e d3 . D e te c t s ta r t fla g (0 x 7 E ) o f L A P S fr a m e4 . R e m o v e th e r a te -a d a p ta tio n o c te ts

w h e n d e te c tin g s e q u e n c e s o f 0 x 7 d , 0 x d d

5 . P e r fo r m o c te t r e m o v a l (tr a n s p a r e n c y p r o c e s s in g )

6 . Ch e c k fo r v a lid ity o f A d d r e s s , Co n tr o l, a n d th e S A P I fie ld

7 . P e r fo r m F CS g e n e r a tio n a n d c h e c k in g8 . D e te c t c lo s in g fla g (0 x 7 E )9 . S y n c h r o n iz e th e M A C fr a m e to M II

R X _ CL K1 0 . A d d p r e a m b le a n d S F D a n d s e n d it to

M A C th r o u g h M II o r G M IIE th e r n e t to S O N E T M S P P

V ia G B IC L in k sto Cu s to m e r

D a ta S w itc h e s

E th e r n e tM u lti-P o r t

S w itc h

S in g le O Cn S O N E T P a y lo a d Co n ta in in g

E th e r n e t F r a m e s

S O N E T T D MM u ltip le x

M a tr ix

S O N E TW o r k in g a n dP r o te c tio nP a th L in k s

E o SS O N E T

A D MS O N E T O Cn Cir c u it

Ca r r y in gD e d ic a te d P t-P tE th e r n e t T r a ffic

W o r k in g

P r o te c tio n


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E r r o r H a n d lin g

• X .8 6 s u p p o r ts tw o p r o v is io n a b le o p tio n s fo r h a n d lin g e r r o n e o u s fr a m e s :

A b o r t th e fr a m e b y in s e r tin g th e a b o r t s e q u e n c e 0 x 7 d 7 e fr a m e w ill b e d is c a r d e d b y fa r e n d r e c e iv e r

In v e r t th e F CS b y te s to g e n e r a te a n F CS e r r o r

• In v a lid fr a m e s :N o t p r o p e r ly b o u n d e d b y tw o fla g s

Co n ta in s a n F CS s e q u e n c e e r r o r

H a s a n in v a lid c o n tr o l s e q u e n c e , i.e ., 0 x 7 d , Z Z w h e r e Z Z o c te t is n o t 5 d , 5 e , 7 e , d d

• R e c o v e r y in th e e v e n t o f fr a m e d is c a r d ta k e s p la c e a t la y e r s 3 a n d a b o v e


4 1© 20 0 3 , C is c o S y s te m s , In c . A ll rig h ts re s e rv e d .

O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


(G F P — G e n e r ic F r a m in g P r o c e d u r e )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U R e c o m m e n d a tio n G .7 0 4 1 (G F P )

• G e n e r ic F r a m in g P r o c e d u r e e x p a n d s o n fu n c tio n a lity o f X .8 6 in th a t it p r o v id e s fo r :

E n c a p s u la tio n o f L 2 /L 3 P D U c lie n t s ig n a ls (G F P -F )

E n c a p s u la tio n /m a p p in g o f b lo c k c o d e d c lie n t s ig n a ls (G F P -T )

M u ltip le x in g o f m u ltip le c lie n t s ig n a ls in to a s in g le p a y lo a d



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

G F P N e tw o r k V ie w

P H Y -TP H Y -T P H Y -TP H Y -T

P H Y -XP H Y -XP H Y -XP H Y -X

G F P -T G F P -TG F P -F G F P -F G F P -FG F P -F

1 0 B a s e1 0 0 B a s e1 0 0 0 B a s e1 0 G B a s e

E S CO NF ICO NF ib e r Ch a n n e l1 0 0 0 B a s e L X1 0 0 0 B a s e CX

1 0 B a s e1 0 0 B a s e1 0 0 0 B a s e1 0 G B a s e

E S CO NF ICO NF ib e r Ch a n n e l1 0 0 0 B a s e L X1 0 0 0 B a s e CX

M S P P M S P PL 2 /L 3S w itc h

L 2 /L 3S w itc h

1 0 /1 0 0 /G b E 1 0 /1 0 0 /G b E

E s c o n /F ic o n E s c o n /F ic o n

T r a n s p o r t L a y e r N e tw o r kT r a n s p o r t L a y e r N e tw o r k

B r id g e /S w itc h /R o u te r in T N EB r id g e /S w itc h /R o u te r in T N E B r id g e /S w itc h /R o u te r in T N EB r id g e /S w itc h /R o u te r in T N ED a ta L a y e r

N e tw o r kD a ta L a y e r

N e tw o r k


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

M o d e s a n d A s p e c ts

• P D U o r ie n te d a d a p ta tio n

• L 2 fr a m e s• Clie n ts

E th e r n e tP P P

• B lo c k -c o d e o r ie n te d a d a p ta tio n

• Co n s ta n t b it r a te s tr e a m• 8 B /1 0 B c lie n ts• L o w tr a n s m is s io n

la te n c y r e q ’m n ts

G F PA s p e c ts

Co m m o n P a y lo a d -S p e c ific

F r a m e -M a p p e d

T r a n s p a r e n t• A p p ly to a ll

G F P a d a p te dtr a ffic

• Clie n t-s p e c ific• 2 m o d e s d e fin e d



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P L IP L I

P H — T y p eP H — T y p e

P H — tH E CP H — tH E C

P H — E H FP H — E H F

P a y lo a d In fo r m a tio n F ie ld

P a y lo a d F CS (O p tio n a l)P a y lo a d F CS (O p tio n a l)

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P H — e H E CP H — e H E C

G F P P r o to c o l D e ta ils

T h r e e T y p e s o f G F P F r a m e s :

• U s e r — c o n ta in d a ta p a y lo a d

• Co n tr o l— c o n ta in O A & M in fo r m a tio n a n d /o r p e r fo r m c lie n t m a n a g e m e n t fu n c tio n s

• Id le fr a m e s — u s e d fo r r a te a d a p ta tio n (u s e o n ly P L I a n d c H E C fie ld s )

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G F P U s e r F r a m e

c H E Cc H E C


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

G F P Co r e H e a d e r

T w o F ie ld s :

• P L I— P D U L e n g th In d ic a to r (2 b y te s )—n u m b e r o f o c te ts in th e G F P p a y lo a d a r e a

• c H E C— Co r e H e a d e r E r r o r Co n tr o l (2 b y te s )—CR C-1 6 s in g le -b it e r r o r c o r r e c tio n a n d m u lti-b it e r r o r d e te c tio n fo r c o r e h e a d e r *

P L IP L I

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* B a s e d o n IT U -T R e c o m m e n d a tio n V .4 1

N o te :CH U s e d fo r F r a m e D e lin e a tio n U n lik e H D L C-B a s e d P r o to c o ls w h ic h U s e S p e c ia l Ch a r a c te r s �th e H D L C A p p r o a c h H a s a N o n -D e te r m in is tic B a n d w id th E x p a n s io n



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• P a y lo a d A r e a : (4 – 6 5 5 3 5 b y te s )— a ll o c te ts a fte r c o r e h e a d e r ; tw o c o m m o n c o m p o n e n ts : p a y lo a d h e a d e r a n d p a y lo a d in fo r m a tio n fie ld

• P a y lo a d H e a d e r : (4 – 6 4 b y te s )—s u p p o r ts d a ta lin k m a n a g e m e n t p r o c e d u r e s s p e c ific to h ig h e r la y e r c lie n ts s ig n a ls

• P H T y p e : (2 b y te s )— in d ic a te s c o n te n t a n d fo r m a t o f p a y lo a d in fo r m a tio n fie ld

• P H tH E C: (2 b y te s )— CR C-1 6 fo r P H ty p e fie ld

• P H E H F : E x te n s io n H e a d e r F ie ld (0 –6 0 b y te s )— te c h n o lo g y s p e c ific d a ta lin k h e a d e r , v a r ia n t is in d ic a te d v ia E X I s u b -fie ld o f th e “ ty p e ” fie ld

• P H e H E C: CR C-1 6 fo r E x te n s io n H e a d e r F ie ld





P a y lo a d F CS (O p tio n a l)P a y lo a d F CS (O p tio n a l)

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O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• P T I: P a y lo a d T y p e Id e n tifie r s —U s e r d a ta , u s e r c o n tr o l, c lie n t m a n a g e m e n t

• P F I: P a y lo a d F CS p r e s e n c e o r a b s e n c e

• E X I: E x te n s io n H e a d e r Id e n tifie rN u ll (lo g ic a l p t-p t fo r o n e c lie n t o n a d e d ic a te d tr a n s p o r t p a th )L in e a r (p t-p t fo r s e v e r a l in d e p e n d e n t lin k s r e q u ir in g a g g r e g a tio n o n to a s in g le T X p a th )R in g

• U P I: U s e r P a y lo a d Id e n tifie r in d ic a tin g th e p a y lo a d is o n e o f:

F r a m e -m a p p e d : E th e r n e t, P P P , m u ltip le a c c e s s p r o to c o l o v e r S D H (M A P O S )T r a n s p a r e n t: F C, F ICO N , E S CO N ,G ig a b it E th e r n e t, In fin ib a n dR e s e r v e d s e c tio n s fo r fu tu r e s ta n d a r d iz a tio n a n d p r o p r ie ta r y u s e



Ch a n n e l IDCh a n n e l ID

S p a r eS p a r e

e H E Ce H E C

R in gL in e a r

P L IP L I





P a y lo a d F CS (O p tio n a l)


c H E Cc H E C



P H — tH E CP H — tH E CD e s t a n d S r c

P o r t N u mD e s t a n d S r c

P o r t N u m

S p a r eS p a r e

D E , CO SD E , CO S

D S T M A CD S T M A C

S R C M A CS R C M A C

e H E Ce H E C

P T IP T I P F IP F I E X IE X I

U P IU P I



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

F r a m e D e lin e a tio n

• H U N T — G F P s e a r c h e s fo r c o r e h e a d e r w ith c o r r e c t c H E C fie ld

• P R E S Y N C— G F P c h e c k s fo r h e a d e r o f n e x t fr a m e b a s e d o n P L I fie ld in c u r r e n t fr a m e ; p r o c e s s r e p e a ts u n til D E L T A c o n s e c u tiv e c o r r e c t c H E Cs a r e d e te c te d

• S Y N C— G F P c o n tin u e s to c h e c k fo r c o r r e c t c H E C o f n e x t fr a m e ; fr a m e d e lin e a tio n is lo s t w h e n e v e r m u ltip le b it e r r o r s a r e d e te c te d in th e c o r e h e a d e r b y th e c H E C

• Id le G F P fr a m e s p a r tic ip a te in 3 s ta g e p r o c e s s a n d a r e th e n d is c a r d e d

G F P F r a m e D e lin e a tio n B a s e d o n Co r r e la tio n b e tw e e n th e F ir s t T w o O c te ts o f th e G F P F r a m e (P L I) a n d th e c H E C F ie ld


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t F r a m e -M a p p e d

• IP G ’s (In te r P a c k e t G a p ) d e le te d /r e s to r e d d u r in g G F P e n c a p s u la tio n /d e -e n c a p s u la tio n

• P r e a m b le a n d S O F s tr ip p e d fr o m fr a m e

• 1 to 1 r e la tio n s h ip b e tw e e n E th e r n e t fr a m e a n d G F P fr a m e

• Ca n a c c o m m o d a te ju m b o + fr a m e s iz e s E th e r n e t

M A C F r a m eG F P F r a m e

F r a m e -M a p p e d G F P E th e r n e t E x a m p le

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S ta r t o f F r a m e D e lim ite r

M A C D e s t A d d r

M A C S R C A d d r

L e n g th /T y p e

M A C Clie n t D a ta(+ P A D )

E th e r n e t F CS E th e r n e t F CSE th e r n e t F CS

M A C D e s t A d d r

M A C S R C A d d r

L e n g th /T y p e

M A C Clie n t D a ta(+ P A D )

e H E Ce H E C

P L IP L I

c H E Cc H E C

T Y P ET Y P E

tH E CtH E C

E x te n s io n H e a d e r F ie ldE x te n s io n

H e a d e r F ie ld



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IP /P P P F r a m e -M a p p e d

• O n e to o n e r e la tio n s h ip b e tw e e n P P P /H D L C fr a m e a n d G F P fr a m e

• H D L C fla g s a n d c o n tr o l e s c a p e fla g s (0 x 7 e ) r e m o v e d fo r tr a n s p o r t a n d r e -in s e r te d a t fa r e n d

F la g

A d d r e s s

Co n tr o l

P P P T y p e

(P A D )

F CS

P a y lo a d

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A d d r e s s

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P P P T y p e

P P P P a y lo a d + P A D

e H E Ce H E C

P L IP L I

c H E Cc H E C

T Y P ET Y P E

tH E CtH E C

E x te n s io n H e a d e r F ie ldE x te n s io n

H e a d e r F ie ld

P P P F r a m e

G F P F r a m e

F r a m e -M a p p e d G F P IP /P P P /H D L C E x a m p le


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

8 B /1 0 B T r a n s p a r e n t-M a p p e d

• E S CO N fr a m e s n o t tr a n s p o r te d

• R e c e iv e d 1 0 B c h a r a c te r s d e c o d e d in to o r ig in a l 8 B v a lu e

• Co n tr o l c h a r a c te r s m a p p e d in to c o n tr o l c o d e in d ic a to r s

• D e c o d e d c h a r a c te r s m a p p e d in to 6 4 B /6 5 B s u p e r b lo c k s fo r p a y lo a d in s e r tio n

• ‘N ’ in p a y lo a d s iz e d e p e n d e n t u p o n u n c o d e d r a te o f th e c lie n t s ig n a l a n d th e tr a n s p o r t c h a n n e l c a p a c ity








T r a n s p a r e n t G F P E S CO N E x a m p le

P L IP L I

c H E Cc H E C

P a y lo a d (N x 8 x 6 5 B )

e H E Ce H E C

S p a r eS p a r e

Ch a n n e l IDCh a n n e l ID





O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P r o s a n d Co n s G F P

• P r o :

S u p p o r ts E th e r n e t, P P P a n d S A N in te r fa c e s

IT U S ta n d a r d

• Co n :

A d d e d fle x ib ility a d d s c o m p le x ity (n o t r e a lly th a t b a d th o u g h a n d c a n b e o v e r c o m e b y a g o o d p r o v is io n in g s c h e m e )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P r o s a n d Co n s B CP

• P r o :

IE T F e n d o r s e d

It is s im p le

Ca n b e d e p lo y e d to d a y !

• Co n :

M o s t c u s to m e r s w a n t G F P



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P o in ts T o B e H e a r d

• In te r m s o f o v e r h e a d , G F P h a s m o r e o v e r h e a d ; h o w e v e r , B CP u s e s p a d d in g a n d G F P u s e s id le p a tte r n s fo r s y n c h r o n iz a tio n ; th e s e c a n a ll a d d c o n s id e r a b le o v e r h e a d , th u s m a k in g th e tw o r o u g h ly e q u a l

• B CP tr a n s p o r ts E th e r n e t a n d s o m e u s e le s s L A N p r o to c o ls , w h ile G F P tr a n s p o r ts E th e r n e t, P P P a n d S A N p r o to c o ls

• G F P is a n IT U s ta n d a r d w h ic h c a r r ie s m o r e w e ig h t w ith IX Cs , R B O Cs a n d P T T s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


(R e s ilie n t P a c k e t R in g s a n d 8 0 2 .1 7 )



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R P R /S R P F e a tu r e s a n d Ch a r a c te r is tic s

• D e s tin a tio n s tr ip p in g fo r u n ic a s t tr a ffic , s o u r c e s tr ip p in g fo r m u ltic a s t (o n ly o n e c o p y o f p a c k e t r e q u ir e d a r o u n d th e r in g )

• B W m u ltip lic a tio n v ia p a c k e t s ta tis tic a l m u ltip le x in g a n d s p a tia l r e u s e • F a s t r e s to r a tio n in < 5 0 m s e c v ia r in g w r a p o r p a c k e t s te e r in g m e th o d s

(n o p r o te c tio n b a n d w id th p r e -r e s e r v e d , u n lik e S O N E T /S D H )• F a ir n e s s a n d c o n g e s tio n c o n tr o l w ith in th e p a c k e t r in g (n o n e e d fo r

B W p r e -p r o v is io n in g , u n lik e S O N E T /S D H r in g s )

R P R R in g

P H Y L a y e r In itia llyS O N E T /S D H F r a m in g

(E th e r n e t a n d G F P P o s s ib le )

D a ta a n d Co n tr o l P a c k e tsA r e Ca r r ie d in R in g inO p p o s ite D ir e c tio n s

In n e r R in g

O u te r R in g

Cis c o S p a tia l R e u s e P r o to c o l (S R P ) M A C

P r o to c o l IE T F In fo r m a tio n a l R F C 2 8 9 2

Cis c o S p a tia l R e u s e P r o to c o l (S R P ) M A C

P r o to c o l IE T F In fo r m a tio n a l R F C 2 8 9 2

IE E E 8 0 2 .1 7 W o r k in g G r o u p (F in a l P la n n e d

M a r c h 2 0 0 3 )

IE E E 8 0 2 .1 7 W o r k in g G r o u p (F in a l P la n n e d

M a r c h 2 0 0 3 )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S R P v 2 D a ta P a c k e t F o r m a t

• E a c h in te r fa c e h a s a g lo b a lly u n iq u e IE E E 4 8 b its M A C a d d r e s s

• T o s u p p o r t m u ltic a s t a m u ltic a s t b it is d e fin e d u s in g c a n o n ic a l a d d r e s s in g c o n v e n tio n s

D e s tin a tio n M A C A d d r e s s


S o u r c e M A C A d d r e s sS o u r c e M A C A d d r e s s

P a y lo a dP a y lo a d

F CSF CS

••••

••••

••••

••••

0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5

T im e to L iv e (T T L )

T im e to L iv e (T T L ) R IR I P R IP R IM O D EM O D E PP

P r o to c o l T y p eP r o to c o l T y p e



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S R P v 2 G e n e r ic H e a d e r

• T im e to L iv e (T T L )8 b it h o p c o u n t fie ld ; d e c r e m e n te d e a c h tim e a n o d e fo r w a r d s a p a c k e t; if th e T T L r e a c h e s z e r o th e p a c k e t is s tr ip p e d fr o m th e r in g

• R in g Id e n tifie r (R I-b it)

• P r io r ity F ie ld (P R I)In d ic a te s th e p r io r ity le v e l o f a S R P p a c k e t; v a lid v a lu e s 0 – 7 , w ith h ig h e r v a lu e s in d ic a tin g h ig h e r p r io r ity

• P a r ity B itO d d p a r ity o v e r p r e v io u s 1 5 M A C h e a d e r b its

• M o d e

O u te r R in gO u te r R in g

In n e r R in gIn n e r R in g11

00

0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5



V a lu eV a lu e D e s c r ip tio nD e s c r ip tio n

0 0 0 – 0 1 10 0 0 – 0 1 1 U n u s e dU n u s e d

1 0 01 0 0 T o p o lo g y Co n tr o l M e s s a g eT o p o lo g y Co n tr o l M e s s a g e

1 0 11 0 1 P r o te c tio n Co n tr o l M e s s a g eP r o te c tio n Co n tr o l M e s s a g e

1 1 01 1 0 F a ir n e s s Co n tr o l M e s s a g eF a ir n e s s Co n tr o l M e s s a g e

1 1 11 1 1 D a ta P a c k e tD a ta P a c k e t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S R P v 2 Co n tr o l P a c k e t F o r m a t

• A ll c o n tr o l p a c k e ts a r e s e n t p o in t-to -p o in t

T h e D A M A C a d d r e s s is s e t to z e r o (0 x 0 )

• A ll c o n tr o l p a c k e ts a r e s e n t w ith th e h ig h e s t p r io r ity

P R I = = 0 x 7



S o u r c e M A C A d d r e s sS o u r c e M A C A d d r e s s

P a y lo a dP a y lo a d

F CSF CS

••••

••••

••••

••••

0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5



P r o to c o l T y p eP r o to c o l T y p e

Co n tr o l T y p eCo n tr o l T y p eCo n tr o l V e rCo n tr o l V e r

Co n tr o l Ch e c k s u mCo n tr o l Ch e c k s u m

Co n tr o l T T LCo n tr o l T T L



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

M A CM A C

O -T x

I-R x

O -R x

I-T x

O -R x

I-T x

O -T x

I-R x

O-T

x

I-R

x

O-R

x

I-T

x

I-T

x

O-R

x

I-R

x

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x

S R P N o d e S R P N o d e

S R P N o d eS R P N o d e

S id e BS id e B

S id e AS id e A

R in g P a c k e t F lo w

S id e AS id e A

S id e AS id e A

S id e AS id e A

S id e BS id e B

S id e BS id e B

S id e BS id e B

M A CM A C M A CM A C

M A CM A C

P H Y

P H Y

P H Y

P H Y

P H Y

P H Y

P H Y

P H Y


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L 3 S w itc h in gL 3 S w itc h in g

R x Q u e u e T x Q u e u e

Lo

Pri

ori

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rity

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Hi P

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Hi P

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Lo

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O -R xO -R x

I-T xI-T x

O -T xO -T x

I-R xI-R x

T r a n s it B u ffe r

T r a n s it B u ffe rS R P M A C S R P M A C

CA MCA M

H i P r io r ityH i P r io r ity

L o P r io r ityL o P r io r ity

N o d e P a c k e t F lo w

H i P r io r ityH i P r io r ity

L o P r io r ityL o P r io r ity

CA MCA M

S id e AS id e A

S id e BS id e B



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P r io r ity H a n d lin g

• T h e p r io r ity fie ld is s e t b y th e n o d e s o u r c in g a p a c k e t o n to th e r in g

• T h e n o d e u tiliz e s a m a p p in g b e tw e e n th e IP p r e c e d e n c e b its in th e T o S fie ld in to th e S R P M A C h e a d e r p r io r ity fie ld

• A c o n fig u r e d p r io r ity th r e s h o ld is u s e d to d e te r m in e if th e p a c k e t s h o u ld b e p la c e d in th e h ig h o r lo w p r io r ity q u e u e s

M a p p in g 8 le v e ls o f p r io r ity to 2 le v e ls

• T h is is th e s a m e fo r b o th lo c a lly s o u r c e d p a c k e ts a n d tr a n s it p a c k e ts


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S R P F a ir n e s s A lg o r ith m

• S R P -fa is th e m e c h a n is m th a t e n s u r e sG lo b a l fa ir n e s s — E a c h n o d e g e ts a fa ir s h a r e o f th e r in g b a n d w id th

L o c a l o p tim iz a tio n — N o d e m a x im a lly le v e r a g e th e s p a tia l r e u s e p r o p e r tie s o f th e r in g

S c a la b ility — T h e a b ility to b u ild la r g e r in g s w ith m a n y n o d e s th a t s p a n s a c r o s s la r g e g e o g r a p h ic a lly d is tr ib u te d a r e a



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S R P -fa

• H ig h p r io r ity tr a n s m it p a c k e ts a r e n o t r a te c o n tr o lle d b y th e S R P -fa

Co m m itte d A c c e s s R a te (CA R )

• E x c e s s tr a n s it p a c k e ts a r e n o t r a te lim ite d b y th e n o d e in s te a d it g e n e r a te s a fa ir n e s s m e s s a g e

• T h r o ttlin g is d o n e b y n o t s o u r c in g p a c k e ts u n til M Y _ U S A G E < A L L O W E D _ U S A G E

• U s a g e fie ld c o n ta in s b a n d w id th in fo r m a tio n a n d a r e s e n t p e r io d ic a lly e v e n if th e r e is n o n e w b a n d w id th in fo r m a tio n to s e n d

W h e r e th e r e is n o n e w b a n d w id th in fo r m a tio n to s e n d a n u ll v a lu e is s e n t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Co m p a r is o n o f 8 0 2 .1 7 a n d S R P F e a tu r e S u m m a r y

F e a tu r e s /B e n e fitF e a tu r e s /B e n e fit 8 0 2 .1 78 0 2 .1 7 S R PS R P

D y n a m ic F a ir n e s s A lg o r ith m / S R P B e h a v io rD y n a m ic F a ir n e s s A lg o r ith m / S R P B e h a v io r

D u a l T r a n s it B u ffe r (T B )/B e s t P e r fo r m a n c eA llo w s D iffe r e n tia tio n o f T r a ffic v ia S e p a r a te P a th sD u a l T r a n s it B u ffe r (T B )/B e s t P e r fo r m a n c eA llo w s D iffe r e n tia tio n o f T r a ffic v ia S e p a r a te P a th s

S in g le T r a n s it B u ffe r (T B )/L o w e r Co s t S ilic o nH ig h P r io r ity Ca n B e B lo c k e d b y L o w e r T r a fficS in g le T r a n s it B u ffe r (T B )/L o w e r Co s t S ilic o nH ig h P r io r it y Ca n B e B lo c k e d b y L o w e r T r a ffic

2 P r io r itie s o n R in g /H ig h P r io r ity P e r fo r m a n c e2 P r io r itie s o n R in g /H ig h P r io r ity P e r fo r m a n c e

3 P r io r itie s In to M A C/A d d s CIR Cla s sCo m m itte d L o w P r io r ity T r a ffic fo r S y s te m s W ith o u t S e r v ic e s o n Cu s to m e r F a c in g In te r fa c e s

3 P r io r itie s In to M A C/A d d s CIR Cla s sCo m m itte d L o w P r io r ity T r a ffic fo r S y s te m s W ith o u t S e r v ic e s o n Cu s to m e r F a c in g In te r fa c e s

P r o te c tio n — W r a p p in g O n ly /L e s s P a c k e t L o s sO n ly N o d e s a t F a ile d S p a n P e r fo r m P r o te c tio nP r o te c tio n — W r a p p in g O n ly /L e s s P a c k e t L o s sO n ly N o d e s a t F a ile d S p a n P e r fo r m P r o te c tio n

P r o te c tio n — S te e r in g O n lyA ll N o d e s M u s t R e d ir e c t A n y P a c k e ts D e s tin e d fo r F a ile d S p a nP r o te c tio n — S te e r in g O n lyA ll N o d e s M u s t R e d ir e c t A n y P a c k e ts D e s tin e d fo r F a ile d S p a n

L a y e r 3 IP S u p p o r tL a y e r 3 IP S u p p o r t

D e liv e r y o f P a c k e ts w ith B a d CR CD e liv e r y o f P a c k e ts w ith B a d CR C

YY YY

YYYY

YYYY

YYYY

YYYY

YY

YY

YY

YY

N /AN /A

NN

NN

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O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2







O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Q o S fo r D a ta o v e r S O N E T /S D H A p p lic a tio n s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

W h y Q o S ?

• R e d u c e Ca p e x /O p e xS in g le p la tfo r m s o lu tio n a t th e e d g e

R e d u c e d fo o tp r in t

R e d u c e d p o w e r /m a in te n a n c e

S im p lifie d m a n a g e m e n t/p r o v is io n in g

M a x im iz e u s e o f tr a n s p o r t r e s o u r c e s

• S L A m a n a g e m e n tG u a r a n te e s e r v ic e

Cu s to m e r o n ly g e ts w h a t’s p a id fo r


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E n h a n c e d Q o S M o d e l

Q u e u e /S c h e d u le

Co n g e s tio n Co n tr o l

Q u e u e /S c h e d u le

Co n g e s tio n Co n tr o l

Q o S A c tio n s a t In g r e s s

Q o S A c tio n s a t E g r e s s

• Id e n tify “ a g g r e g a te s ” o r p a c k e t g r o u p s ; tr u s te d o r u n tr u s te d p o r ts

• L a b e l (c la s s ) g r o u p s u s in g D S CP o r Co S

• E n s u r e c o n fo r m a n c e to a s p e c ifie d r a te

• O n a n a g g r e g a te o r in d iv id u a l flo w b a s is

• A c t o n p o lic e r d e c is io n

• R e c la s s o r d r o p o u t-o f-p r o file

• M u ltip le q u e u e s /p o r t

• W R R s e r v ic in g

• W R E D fo r c o n g e s tio n c o n tr o l

• E g r e s s p o lic in g

M a r k in gM a r k in gP o lic in gP o lic in gCla s s ific a tio n /R e c la s s ific a tio nCla s s ific a tio n /

R e c la s s ific a tio n



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Q o S T o d a y

• T y p ic a l E th e r n e t Q o S im p le m e n ta tio n s o n M u ltis e r v ic e P r o v is io n in g P la tfo r m s (M S P P s ) u s e :

H a r d r a te lim itin g

1 0 /1 0 0 /1 G b in g r e s s

S T S 1 , 3 c , 6 c , 9 c , 1 2 c , 2 4 c m a p p in g

V C 3 , V C 4 , V c 4 -1 6 c m a p p in g

P r io r ity q u e u in g b a s e d o n 8 0 2 .1 p

8 le v e ls o f p r io r ity m a p p e d to 2 q u e u e s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Cla s s ific a tio n E n h a n c e m e n ts

• Cla s s ific a tio n p e r fo r m e d o n in g r e s s in te r fa c e /p o r t

• Ca n b e b a s e d o n :

B r id g e g r o u p ID (V L A N )

P a c k e t/fr a m e p r io r ity

IP T O S

V L A N Id s : 1 – 4 0 9 6P r io r ity S e ttin g s : 0 – 7

IE E E 8 0 2 .1 Q F r a m e

IP H e a d e r

T y p e o f S e r v ic e : 0 – 7D S CP : 0 – 6 3

D A(6 B )

S A(6 B )

D a ta(4 6 to 1 5 0 0 B )

F CS(4 B )

T P IDT P ID(2 B )(2 B )

T CIT CI(2 B )(2 B )

L e n g th /T y p e(2 B )

V e r s io nH e a d e rL e n g th

Id e n tific a tio n F la g sF r a g m e n t

o ffs e t

T o ta lL e n g th

P r io r ity a n dT y p e o f S e r v ic e

P r io r ity a n dT y p e o f S e r v ic e



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P o lic in g E n h a n c e m e n ts

• Co m m itte d A c c e s s R a te (CA R ) g u a r a n te e s s e r v ic e b a n d w id th

• P u r e r a te lim itin g — p e r p o r t in c r e m e n ts o f 1 m b s ta r tin g a t 1 m b

Co n fo r m in g tr a ffic is tr a n s m itte dN o n -c o n fo r m in g tr a ffic is d r o p p e d

Ban

dw

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T im e

L in k B a n d w id th

R a te L im it

E x c e e d in g T r a fficE x c e e d in g T r a ffic

Co n fo r m in g T r a fficCo n fo r m in g T r a ffic


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

M a r k in g E n h a n c e m e n ts

• M a r k in g b a s e d o n p h y s ic a l p o r t, p r io r ity a n d ty p e o f s e r v ic e

8 0 2 .1 p v a lu e s (8 ) m a p p e d to 8 Co S

IP T O S v a lu e s (8 ) m a p p e d to 8 Co S

D S CP v a lu e s (6 4 ) m a p p e d to 8 Co S

P e r p o r t tr a ffic m a p p e d to 1 Co S

P e r b r id g e g r o u p ID tr a ffic m a p p e d to 1 Co S



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

O u tp u t In te r fa c e

Q u e u in g E n h a n c e m e n ts

• L o w la te n c y q u e u in g fo r h ig h p r io r ity tr a ffic (e .g ., V o IP ) s e r v ic e d w ith s tr ic t p r io r ity q u e u in g

• 1 0 0 s o f q u e u e s s e r v ic e d w ith W e ig h te d F a ir Q u e u in g (W F Q )

• Co n fig u r a b le q u e u e b a n d w id th

L L Q Cla s s Q o S Cla s s e s B Ca s t/F lo o d U N U S E D

In g r e s s

E g r e s s

P e r -Cla s s /B r id g e

P e r -P o r t P o lic e rIn

Q u e u e L im its

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S P S c h e d u le r 0

W F Q S c h e d u le r 1

W F Q S c h e d u le r 2

S c h e d u le r 3

Cla s s ify /L o o k u p


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2








O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

O p tim iz in g S O N E T /S D H fo r D a ta T r a n s p o r t

(S T S B W S c a lin g , V ir tu a l Co n c a te n a tio n )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

G ig E E o S Ca r dS id e V ie w

P o r t 1P o r t 1

P o r t 2P o r t 2

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

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S T S -1S T S -3 c

S T S -6 cS T S -1 2 c

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

S T S 1

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P o r t 2P o r t 2

P o r t 3P o r t 3P o r t 4P o r t 4P o r t 5P o r t 5P o r t 6P o r t 6P o r t 7P o r t 7P o r t 8P o r t 8P o r t 9P o r t 9P o r t 1 0P o r t 1 0P o r t 1 1P o r t 1 1P o r t 1 2P o r t 1 2

1 0 /1 0 0 E o S Ca r dS id e V ie w

10/1

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S T S -6 cS T S -1 2 c

Gig

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GB

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P o r t 2P o r t 2

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S T S -1S T S -3 cS T S -6 cS T S -9 cS T S -1 2 cS T S -2 4 c

S T S B a n d w id th S c a lin g

E x a m p le :• 1 0 0 m b p s s e r v ic e r e q u ir e d fo r a CM T S (r e s id e n tia l c a b le a c c e s s ) a n d a h ig h

s c h o o l L A N• A s s u m e S T S b a n d w id th s c a lin g o n to a s h a r e d S T S -3 c• S e r v ic e p r o v id e r p r e s e r v e s 1 5 5 m b p s o f tr a n s p o r t b a n d w id th (e n o u g h to d e liv e r

8 4 D S -1 s e r v ic e s fo r o v e r $ 2 0 K /m o n th o r 3 D S -3 s e r v ic e s fo r o v e r $ 1 0 K /m o n th )

Gig

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N o te : S a m e O p e r a tio n fo r S D H , M a p p in g Ch a n g e s to F it V C-n S tr u c tu r e N o te : S a m e O p e r a tio n fo r S D H , M a p p in g Ch a n g e s to F it V C-n S tr u c tu r e



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S O N E T /S D H Co n tig u o u s Co n c a te n a tio n

• Ch a n n e ls a r e “ h a r d w ir e d ” to g e th e r th r o u g h s p e c ia l p o in te r in d ic a to r s

• R e q u ir e s c o n tig u o u s c o n c a te n a tio n fu n c tio n a lity a t e a c h n e tw o r k e le m e n t in th e p a th

• P o in te r ju s tific a tio n p e r fo r m e d in c o m m o n o n a ll S T S -1 /S T M s w ith in S T S -N c s ig n a l

• Co n c a te n a tio n in d ic a tio n c o n ta in e d o n S T S -1 # 2 th r o u g h S T S -1 # N o f S T S -N c

• N o r m a l p o in te r in d ic a tio n o n S T S -1 # 1• S iz e o f S O N E T c o n c a te n a tio n g r o u p o n ly p r o v is io n e d

in m u ltip le s o f 3 S T S -1 sP o o r g r a n u la r ity fo r r e s iz in g p a th s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Is s u e s w ith S O N E T Co n tig u o u s Co n c a te n a tio n

• E x is tin g c o n c a te n a tio n g r o u p s m a y m a k e it im p o s s ib le to r e s iz e th e p a th

E .g . e x p a n d S T S -3 c -> S T S -6 c p a th

S T S -3 c o c c u p ie s tim e s lo ts 1 , 5 , a n d 9 , th e S T S -6 c w o u ld r e q u ir e a d d itio n o f tim e s lo ts 2 , 6 , a n d 1 0

O n ly 2 o f 3 tim e s lo ts m a y b e a v a ila b le to e x p a n d th e p a th w ith th e a d d itio n a l S T S -3 c tr a ffic s iz e s o n o t p o s s ib le

• N o s u p p o r t fo r in -s e r v ic e r e s iz in g(1 ) S e r v ic e s w itc h e d to p r o te c tio n , (2 ) w o r k in g tr a ffic s w itc h e d to p r o te c t c h a n n e l, (3 ) o r ig in a l c h a n n e l r e c o n fig u r e d

A p p r o x . 5 0 m s s e r v ic e o u ta g e

N o t ty p ic a lly a p r o b le m fo r v o ic e b u t u n a c c e p ta b le fo r d a ta tr a ffic



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Co n tig u o u s Co n c a te n a tio n —V ir tu a l Co n ta in e r F r a g m e n ta tio n Is s u e

S O N E TN E -A

S O N E TN E -B

O C-1 2A

B

C

D

E

F

S T S -1 # 1 S T S -1 # 2 S T S -1 # 3 S T S -1 # 4 S T S -1 # 5 S T S -1 # 6 S T S -1 # 7 S T S -1 # 8 S T S -1 # 9 S T S -1 # 1 0 S T S -1 # 1 1 S T S -1 # 1 2

S T S -1 2

S T S -1 # 1 S T S -1 # 2 S T S -1 # 3 S T S -1 # 4 S T S -1 # 5 S T S -1 # 6 S T S -1 # 7S T S -1 # 7 S T S -1 # 8S T S -1 # 8 S T S -1 # 9S T S -1 # 9 S T S -1 # 1 0S T S -1 # 1 0 S T S -1 # 1 1S T S -1 # 1 1 S T S -1 # 1 2S T S -1 # 1 2

S T S -1 # 1 S T S -1 # 2 S T S -1 # 3 S T S -1 # 4 S T S -1 # 5 S T S -1 # 6 S T S -1 # 7S T S -1 # 7 S T S -1 # 8S T S -1 # 8 S T S -1 # 9S T S -1 # 9 S T S -1 # 1 0 S T S -1 # 1 1S T S -1 # 1 1 S T S -1 # 1 2S T S -1 # 1 2

S te p 1 : 6 S T S -1 T im e s lo ts A llo c a te d to U s e r s A a n d D (e .g . 6 D S 3 s )— L ig h t T e a l S h a d e d

S te p 2 : 6 S T S -1 T im e s lo ts A llo c a te d to U s e r s B a n d E (e .g . 1 6 8 D S 1 s )— D a r k T e a l S h a d e d

S te p 3 : U s e r s A ,D R e le a s e s 2 S T S -1 s (S lo ts 2 ,5 ) a n d U s e r s B ,E R e le a s e s 1 S T S -1 (S lo t 1 0 ) B o th Illu s tr a te d b y W h ite S T S -1 B lo c k s

S te p 4 : U s e r s C a n d F D e s ir e d a n S T S -3 c P O S Co n n e c tio n o v e r N E -A a n d N E -B

T h e r e Is S u ffic ie n t P h y s ic a l B a n d w id th in th e O C-1 2 L in k Illu s tr a te d b y th e T h r e e W h ite B o x e s o f S T S -1 s a fte r S te p 3 ; H o w e v e r , T h e s e S T S -1 s A r e N o t

Co n tig u o u s a n d th u s Co u ld N o t B e U s e d to S a tis fy C, F S T S -3 c P O S R e q u e s t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S O N E T /S D H V ir tu a l Co n c a te n a tio n (V C)

• V ir tu a l Co n c a te n a tio n is a m e th o d o f c r e a tin g a p a y lo a d m a d e u p o f 2 o r m o r e a s s o c ia te d S P E s tr a n s p o r te d th r o u g h a n e tw o r k c o m p le te ly in d e p e n d e n tly

• Ch a n n e ls a r e “ a d m in is tr a te d ” to g e th e r ; c o m m o n p r o c e s s in g o f c h a n n e ls is lim ite d to e n d p o in ts

• Ch a n n e ls n o t c o n s tr a in e d to s a m e p a th(e n d p o in t d e la y e q u a liz a tio n r e q u ir e d )

• Ch a n n e ls n o t n e c e s s a r ily c o n s tr a in e d to s a m e tr a n s p o r t c h a n n e l (e .g ., s a m e S T S -1 2 )



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

H 4 M u lti-F r a m e In d ic a to r s (M F In )

• T w o s ta g e m u lti-fr a m e in d ic a to r to a c c o m m o d a te m a x im u m p o s s ib le n e tw o r k d iffe r e n tia l d e la y

• M u lti-fr a m e in d ic a to r M F I1 u s e s b its 5 – 8 o f H 4 b y te d e fin e d fo r 1 6 tim e in s ta n c e s o f a g iv e n S T S -1

• F r a m e n u m b e r in g o r tim e in s ta n c e s b e g in fr o m 0 to 1 5

• M F I2 is b a s e d o n 8 b its fr o m b its 1 – 4 o f fr a m e s 0 a n d 1 o f M F I1

• M F I2 is in c r e m e n te d o n c e e v e r y o c c u r r e n c e o f M F I1 a n d c o u n ts fr o m 0 to 2 5 5

• R e s u ltin g o v e r a ll m u lti-fr a m e is 4 0 9 6 fr a m e s , p r o v id in g 5 1 2 m s d iffe r e n tia l d e la y


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S e q u e n c e In d ic a to r (S Q )

• S P E s e q u e n c e in a c o n c a te n a te d g r o u p in d ic a te d b y u p p e r n ib b le (b its 1 – 4 ) o f fr a m e n u m b e r s (tim e in s ta n c e s ) 1 4 a n d 1 5 o f M F I1

• 8 b its fo r s e q u e n c in g a llo w s u p to 2 5 6 in d iv id u a l S T S -1 s to b e v ir tu a lly c o n c a te n a te d

• S Q id e n tifie s th e s e q u e n c e /o r d e r in w h ic h th e in d iv id u a l S T S -n o f th e S T S -n a r e c o m b in e d

• T h e S T S -n /V C-3 /4 tr a n s p o r tin g th e fir s t tim e s lo t o f th e c o n c a te n a te d p a y lo a d h a s th e s e q u e n c e n u m b e r 0 a n d s o o n u p to (x – 1 )

• R X V ir tu a l Co n c a te n a tio n fu n c tio n r e c o v e r s S Q fr o m th e H 4 b y te a n d p a s s e s s a m e to A c S Q [y ] fo r n e tw o r k m a n a g e m e n t p u r p o s e s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S D HN e tw o r k E le m e n t

S D HN e tw o r k E le m e n t

1

1 G E D e s tin a tio n

...

7 1 8 2 0

...

2

H 4H 4H 4H 4

H 4H 4

2 6 01

2 6 01

S Q = 1

S Q = 2

S Q = 7

S T M -1 6S T M -1 6 S T M -1 6S T M -1 6

...

H 4H 4H 4H 4

H 4H 4

2 6 01

2 6 01

S Q = 7

S Q = 1

S Q = 2

1

...

7 1 8 2 02

2 -S ta g e F r a m in g B u ffe r e d @ R x

1 G E S o u r c e

V C-4 -7 c(1 .0 4 8 G b p s )

V C-4 -7 c(1 .0 4 8 G b p s )

V C-4 V C-4

V C-4V C-4

S te p 1

S te p 2S te p 4

S te p 5

S te p 3

V ir tu a l Co n c a te n a tio n (V C) M e c h a n is m

L e g a c yS D H N EN e tw o r k

L e g a c yS D H N EN e tw o r k


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

V C D e p lo y m e n t E x a m p le —M e tr o E th e r n e t o v e r S D H T r a n s p o r t Co r e

S D H N E sN o n -H O /L O V C

S D HN E

H O V C

S D HN E

H O V C

S e r v ic e P r o v id e r AT r a n s p o r t Co r e

M e tr o M e tr o

S e r v ic e P r o v id e r AM e tr o — 2

S e r v ic e P r o v id e r AM e tr o — 1

V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4

V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4

V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4

V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4

……

1 G E 1 G E

V C-4 -7 v /1 G b p s

V C-4

V C-4 V C-4

V C-4

V C-4

V C-4

V C-4

V C-4

T r a n s p o r t Co r e P o o l o f V C-4 s V C-4 T im e s lo ts F r a g m e n te d o v e r T im e

V C-4 V C-4 V C-4 V C-4 V C-4 V C-4 V C-4

H O /L O = H ig h /L o w O r d e r , N E = N e tw o r k E le m e n tH O /L O = H ig h /L o w O r d e r , N E = N e tw o r k E le m e n t



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S D HN E

H O V C

S D HN E

H O V C

V C D e p lo y m e n t E x a m p le —M u ltis e r v ic e o v e r S D H T r a n s p o r t Co r e

S D H N E sN o n -H O /L O V C

F le x ib le P a r titio n E n a b le db y V ir tu a l Co n c a te n a tio n

O C-4 8 L e a s e F a c ility

M e tr o M e tr o

B a c k b o n e Ca r r ie r -B M e tr o S P -AM e tr o S P -A

O C-4 8 O C-4 8

D a ta V o ic e + T D M


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

V ir tu a l Co n c a te n a tio n Ch a r a c te r is tic s

• F le x ib ly p r o v id e s r ig h t-s iz e d c h a n n e ls o v e r S O N E T /S D H

• M a x im iz e b a n d w id th u tiliz a tio n o f S O N E T /S D H p a y lo a d s

• P r o v id e s m e th o d fo r h itle s s r e s iz in g o f p a th

• B r e a k s th e c o n tig u o u s b a n d w id th in to in d iv id u a l S T S -1 s

• L o w e s t le v e l g r a n u la r ity c o u ld b e V T -1 .5 s o r V C-1 1 s

• E a c h S T S -1 c o n ta in s o w n p a th o v e r h e a d

• H 4 b y te u s e d fo r V C s e q u e n c e a n d m u lti-fr a m e in d ic a tio n

• O n ly r e q u ir e s c o n c a te n a tio n fu n c tio n a lity a t th e p a th te r m in a tio n e q u ip m e n t

• Co n v e r s io n s b e tw e e n c o n tig u o u s a n d V ir tu a l Co n c a te n a tio n d e fin e d fo r in te r -w o r k in g



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S e r v ic eS e r v ic e B it R a teB it R a te W ith o u t V CW ith o u t V C W ith V CW ith V C


F a s t E th e r n e tF a s t E th e r n e t

G ig a b it E th e r n e tG ig a b it E th e r n e t

L o w S p e e d A T ML o w S p e e d A T M

F ib r e Ch a n n e lF ib r e Ch a n n e l


E S CO NE S CO N

S O N E T P a th s (S P E s )

S O N E T : V ir tu a l Co n c a te n a tio n E ffic ie n c ie s

1 0 M b it/s1 0 M b it/s

1 0 0 M b it/s1 0 0 M b it/s

1 0 0 0 M b it/s1 0 0 0 M b it/s


2 0 0 M b it/s2 0 0 M b it/s

1 0 0 0 M b it/s1 0 0 0 M b it/s

2 0 0 M b it/s2 0 0 M b it/s

S T S -1 (2 0 % )S T S -1 (2 0 % )

S T S -3 c (6 7 % )S T S -3 c (6 7 % )

S T S -4 8 c (4 2 % )S T S -4 8 c (4 2 % )

S T S -1 (5 0 % )S T S -1 (5 0 % )

S T S -1 2 c (3 3 % )S T S -1 2 c (3 3 % )

S T S -4 8 c (4 2 % )S T S -4 8 c (4 2 % )

S T S -1 2 c (3 3 % )S T S -1 2 c (3 3 % )

V T 1 .5 – 7 v (8 9 % )V T 1 .5 – 7 v (8 9 % )

S T S -1 – 2 v (A p p r o x . 1 0 0 % )S T S -1 – 2 v (A p p r o x . 1 0 0 % )

S T S -3 c – 7 v (9 5 % )S T S -3 c – 7 v (9 5 % )

V T 1 .5 – 1 6 v (9 8 % )V T 1 .5 – 1 6 v (9 8 % )

S T S -1 – 4 v (1 0 0 % )S T S -1 – 4 v (1 0 0 % )

S T S -3 c – 7 v (9 5 % )S T S -3 c – 7 v (9 5 % )

S T S -1 – 4 v (1 0 0 % )S T S -1 – 4 v (1 0 0 % )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S D H : V ir tu a l Co n c a te n a tio n E ffic ie n c ie s

S e r v ic eS e r v ic e B it R a teB it R a te W ith o u t V CW ith o u t V C W ith V CW ith V C


F a s t E th e r n e tF a s t E th e r n e t

G ig a b it E th e r n e tG ig a b it E th e r n e t

L o w S p e e d A T ML o w S p e e d A T M



E S CO NE S CO N

S D H P a th s (V Cs )


1 0 0 M b it/s1 0 0 M b it/s

1 0 0 0 M b it/s1 0 0 0 M b it/s


2 0 0 M b it/s2 0 0 M b it/s

1 0 0 0 M b it/s1 0 0 0 M b it/s

2 0 0 M b it/s2 0 0 M b it/s

V C-3 (2 0 % )V C-3 (2 0 % )

V C-4 (6 7 % )V C-4 (6 7 % )

V C-4 -1 6 c (4 2 % )V C-4 -1 6 c (4 2 % )

V C-3 (5 0 % )V C-3 (5 0 % )

V C-4 -4 c (3 3 % )V C-4 -4 c (3 3 % )

V C-4 -1 6 c (4 2 % )V C-4 -1 6 c (4 2 % )

V C-4 -4 c (3 3 % )V C-4 -4 c (3 3 % )

V C-1 2 -1 2 v (9 2 % )V C-1 2 -1 2 v (9 2 % )

V C-3 -2 v (A p p r o x . 1 0 0 % )V C-3 -2 v (A p p r o x . 1 0 0 % )

V C-4 -7 v (9 5 % )V C-4 -7 v (9 5 % )

V C-1 2 -1 2 v (9 6 % )V C-1 2 -1 2 v (9 6 % )

V C-3 -4 v (1 0 0 % )V C-3 -4 v (1 0 0 % )

V C-4 -7 v (9 5 % )V C-4 -7 v (9 5 % )

V C-3 -4 v (1 0 0 % )V C-3 -4 v (1 0 0 % )



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

O p tim iz in g S O N E T /S D H fo r D a ta T r a n s p o r t

(L in k Ca p a c ity A d ju s tm e n t S c h e m e )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L in k Ca p a c ity A d ju s tm e n t S c h e m e

• A m e c h a n is m fo r d y n a m ic a lly a d ju s tin g th e s iz e o f a v ir tu a lly c o n c a te n a te d c h a n n e l

A llo w s T D M s e r v ic e s m o r e fle x ib ility fo r h a n d lin g d y n a m ic b a n d w id th d e m a n d s

R e lie s o n th e N M S /E M S to p r o v is io n th e b a n d w id th c h a n g e

A llo w s c h a n n e l s iz e a d ju s tm e n t to b e h itle s s

• Cu r r e n tly d e fin e d fo r S O N E T /S D H

P r o p o s e d fo r in c lu s io n in to G .7 0 9 O T N w ith O D U k V C

• B it-o r ie n te d p r o to c o l e n c a p s u la te d in c o n tr o l p a c k e ts

• A p p lie s to h ig h o r d e r (S T S ) a n d lo w o r d e r (V T )



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S S ig n a lin g P r o to c o l

• F o r h ig h o r d e r V Cs , it is c o m m u n ic a te d in a c o n tr o l p a c k e t c a r r ie d in b its 1 – 4 o f th e H 4 P a th O v e r h e a d b y te

Ca r r ie d a c r o s s a 1 6 fr a m e m u ltifr a m e

• F o r lo w o r d e r V Cs , it is c o m m u n ic a te d in a c o n tr o l p a c k e t in b it 2 o f th e Z 7 * P a th O v e r h e a d b y te

Ca r r ie d a c r o s s a 3 2 fr a m e m u ltifr a m e

* a k a K 4 a n d o r ig in a lly V 8


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

H 4 In d ic a to r B y te

• U s e d w h e n fr a m e is o r g a n iz e d in to v a r io u s m a p p in g s

• M a p p in g d e te r m in e s s tr u c tu r e o f th e d a ta c a r r y in g p o r tio n o f th e S P E

Z 5Z 5T a n d e m Co n n e c tio nT a n d e m Co n n e c tio n

Z 4Z 4G r o w thG r o w th

Z 3Z 3G r o w thG r o w th

H 4H 4In d ic a to rIn d ic a to r

F 2F 2U s e r Ch a n n e lU s e r Ch a n n e l

G 1G 1P a th S ta tu sP a th S ta tu s

C2C2S ig n a l L a b e lS ig n a l L a b e l

B 3B 3B IPB IP --88

J 1J 1T r a c eT r a c e



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S Co n tr o l W o r d s

D o N o t U s e (th e P a y lo a d ) th e S k S id e R e p o r te d F A IL S ta tu s

D N U1 1 1 1

T h is M e m b e r Is N o t P a r t o f th e G r o u p o r a b o u t T o B e R e m o v e d

ID L E0 1 0 1

E n d o f S e q u e n c e In d ic a tio n a n d N o r m a l T r a n s m is s io n

E O S0 0 1 1

N o r m a l T r a n s m is s io nN O R M0 0 1 0

T h is M e m b e r Is a b o u t T o B e A d d e d to th e G r o u p

A D D0 0 0 1

In d ic a te s th a t T h is E n d U s e s F ix e d B W (N o n -L CA S M o d e )

F IX E D0 0 0 0

R e m a r k sR e m a r k sCo m m a n dCo m m a n dV a lu eV a lu e


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

H 4 E n c o d in g fo r H O L CA S

• T h e b lu e p o r tio n s h o w s o n e c o m p le te c o n tr o l p a c k e t

• Co n tr o l p a c k e t c o n s is ts o f:

M e m b e r s ta tu s

R S - A CK o p p o r tu n ity

S e q u e n c e in d ic a to r

M u ltifr a m e in d ic a to r

CT R L w o r d

G r o u p ID (G ID )

CR C-8

H 4 b y te

b it1 B it 2 B it3 B it 4 B it 5 B it 6 B it 7 B it 8

1 s t m u ltifra m e in d ic a to r M F I1 (b its 1 -4 )

1 s t

m u lti-fra m e

n o .

2n d m u lti-fra m e

n o .

S e q u e n c e in d ic a to r M S B s (b its 1 -4 ) 1 1 1 0 1 4

S e q u e n c e in d ic a to r L S B s (b its 5 -8 ) 1 1 1 1 1 5

n -1

2n d m u ltifra m e in d ic a to r M F I2 M S B s (b its 1 -4 )

0 0 0 0 0

2n d m u ltifra m e in d ic a to r M F I2 L S B s (b its 5 -8 )

0 0 0 1 1

C T R L 0 0 1 0 2

G ID (“0 0 0 x ”) 0 0 1 1 3

R e s e rv e d (“0 0 0 0 ”) 0 1 0 0 4

R e s e rv e d (“0 0 0 0 ”) 0 1 0 1 5

C R C -8 0 1 1 0 6

C R C -8 0 1 1 1 7

M e m b e r s ta tu s 1 0 0 0 8

M e m b e r s ta tu s 1 0 0 1 9

R S -A C K 1 0 1 0 1 0

R e s e rv e d (“0 0 0 0 ”) 1 0 1 1 1 1

R e s e rv e d (“0 0 0 0 ”) 1 1 0 0 1 2

R e s e rv e d (“0 0 0 0 ”) 1 1 0 1 1 3

S e q u e n c e in d ic a to r S Q M S B s (b its 1 -4 ) 1 1 1 0 1 4

S e q u e n c e in d ic a to r S Q L S B s (b its 5 -8 ) 1 1 1 1 1 5

n

2n d m u ltifra m e in d ic a to r M F I2 M S B s (b its 1 -4 )

0 0 0 0 0

2n d m u ltifra m e in d ic a to r M F I2 L S B s (b its 5 -8 )

0 0 0 1 1

C T R L 0 0 1 0 2

G ID (“0 0 0 x ”) 0 0 1 1 3

R e s e rv e d (“0 0 0 0 ”) 0 1 0 0 4

R e s e rv e d (“0 0 0 0 ”) 0 1 0 1 5

C R C -8 0 1 1 0 6

C R C -8 0 1 1 1 7

M e m b e r s ta tu s 1 0 0 0 8

n + 1



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S M u ltifr a m e = n - 1

••••

••••

1 01 0••

••••

••••

••••

••••

3311110000••

2200110000••

111100000022 n dn d M u ltifr a m e In d ic a to r M F I2 L S B s M u ltifr a m e In d ic a to r M F I2 L S B s (B its 5(B its 5 --8 )8 )

nn

000000000022 n dn d M u ltifr a m e In d ic a to r M F I2 M S B s M u ltifr a m e In d ic a to r M F I2 M S B s (B its 1(B its 1 --4 )4 )

1 51 511111111S e q u e n c e In d ic a to r L S B s (B its 5S e q u e n c e In d ic a to r L S B s (B its 5 --8 )8 )nn --11

1 41 400111111S e q u e n c e In d ic a to r M S B s (B its 1S e q u e n c e In d ic a to r M S B s (B its 1 --4 )4 )

11 s ts t M u ltifr a m e In d ic a to r M F I1M u ltifr a m e In d ic a to r M F I1

B it 8B it 8B it 7B it 7B it 6B it 6B it 5B it 5B it 4B it 4B it 3B it 3B it 2B it 2B it 1B it 122 s ts t

M u ltiM u lti--fr a m efr a m e

N o .N o .

11 s ts t


N o .N o .

H 4 B y teH 4 B y te


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S M u ltifr a m e = n

nn

000000000022 n dn d M u ltifr a m e In d ic a to r M F I2 M S B s (b its 1M u ltifr a m e In d ic a to r M F I2 M S B s (b its 1 -- 4 )4 )

111100000022 n dn d M u ltifr a m e In d ic a to r M F I2 L S B s (b its 5M u ltifr a m e In d ic a to r M F I2 L S B s (b its 5 --8 )8 )

2200110000CT R L = N O R M A LCT R L = N O R M A L

3311110000G ID (“ 0 0 0 x ” )G ID (“ 0 0 0 x ” )

4400001100R e s e r v e d (“ 0 0 0 0 ” )R e s e r v e d (“ 0 0 0 0 ” )


6600111100CR CCR C-- 88

7711111100CR CCR C-- 88

8800000011M e m b e r S ta tu sM e m b e r S ta tu s


1 01 000110011R SR S -- A CKA CK

1 51 511111111S e q u e n c e In d ic a to r L S B s (b its 5S e q u e n c e In d ic a to r L S B s (b its 5 -- 8 )8 )

1 41 400111111S e q u e n c e In d ic a to r M S B s (b its 1S e q u e n c e In d ic a to r M S B s (b its 1 -- 4 )4 )1 31 311001111R e s e r v e d (“ 0 0 0 0 ” )R e s e r v e d (“ 0 0 0 0 ” )

1 21 200001111R e s e r v e d (“ 0 0 0 0 ” )R e s e r v e d (“ 0 0 0 0 ” )

1 11 111110011R e s e r v e d (“ 0 0 0 0 ” )R e s e r v e d (“ 0 0 0 0 ” )




N o .N o .

11 s ts t


N o .N o .




O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S M u ltifr a m e = n + 1

n + 1n + 1

000000000022 n dn d M u ltifr a m e In d ic a to r M F I2 M S B s (b its 1M u ltifr a m e In d ic a to r M F I2 M S B s (b its 1 -- 4 )4 )

111100000022 n dn d M u ltifr a m e In d ic a to r M F I2 L S B s (b its 5M u ltifr a m e In d ic a to r M F I2 L S B s (b its 5 --8 )8 )

2200110000CT R L = N O R M A LCT R L = N O R M A L

3311110000G ID (“ 0 0 0 x ” )G ID (“ 0 0 0 x ” )



6600111100CR CCR C-- 88

7711111100CR CCR C-- 88


••••

••••

1 01 0••

••••

••••

••••




N o .N o .

11 s ts t


N o .N o .


1 0 01 0 01 0 0© 20 0 3 , C is c o S y s te m s , In c . A ll rig h ts re s e rv e d .

O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Z 7 B it 2 E n c o d in g fo r L O L CA S

• T h e CT R L , G ID , S p a r e , R S -A CK , M e m b e r S ta tu s , a n d CR C-3 a r e o n ly u s e d w ith L CA S

• 3 2 -fr a m e m u ltifr a m e is a lig n e d w ith th e V T m u ltifr a m e

1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2

F r a m e

Co u n t

F r a m e

Co u n t

S e q u e n c e

In d ic a to r

S e q u e n c e

In d ic a to rCT R LCT R L

GID

GID S p a r eS p a r e

M e m b e r

S ta tu s

M e m b e r

S ta tu sCR C-3CR C-3

RS-ACK

RS-ACK



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R e v ie w o f S T S -1 /S T S -n c V ir tu a l Co n c a te n a tio n — E x a m p le

• T w o V C g r o u p s

N o te : G ID = G r o u p ID , (S Q = s e q u e n c e n u m b e r a n d CT R L = c o n tr o l c o d e u s e d fo r L CA S )

S T S -1 # 1 , G ID -a , S Q # = 0S T S -1 # 1 , G ID -a , S Q # = 0




S T S -1 # 8 , G ID -b , S Q # = 0S T S -1 # 8 , G ID -b , S Q # = 0

S T S -1 # 9 , G ID -b , S Q # = 1S T S -1 # 9 , G ID -b , S Q # = 1

S T S -1 # 1 0 , G ID -b , S Q # = 2S T S -1 # 1 0 , G ID -b , S Q # = 2

S T S -1 # 1 1S T S -1 # 1 1

S T S -1 # 1 2S T S -1 # 1 2

Clie n t S ig n a l A

Clie n t S ig n a l E

Clie n t S ig n a l BClie n t S ig n a l CClie n t S ig n a l D

S T S -1 # 4S T S -1 # 4

S T S -1 # 5S T S -1 # 5

S T S -1 # 6


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S E x a m p le —A d d in g to a Ch a n n e l (P a r t 1 )

• N M S /E M S p r o v is io n s S o u r c e a n d S in k to a d d S T S -1 # 1 2 to g r o u p A a s a 5 th m e m b e r (P a th T r a c e is a d d e d to S T S -1 # 1 2 )

• S o u r c e s e n d s CT R L = ID L E in th e c h a n n e l to b e a d d e d• S in k r e tu r n s M S = F A IL fo r m e m b e r # 4

S T S -1 # 1 , G ID -a , S Q # = 0 , CT R L = N O R MS T S -1 # 1 , G ID -a , S Q # = 0 , CT R L = N O R M



S T S -1 # 4S T S -1 # 4

S T S -1 # 5S T S -1 # 5

S T S -1 # 6

S T S -1 # 7 , G ID -a , S Q # = 3 , CT R L = E O SS T S -1 # 7 , G ID -a , S Q # = 3 , CT R L = E O S

S T S -1 # 8 , G ID -b , S Q # = 0 , CT R L = N O R MS T S -1 # 8 , G ID -b , S Q # = 0 , CT R L = N O R M


S T S -1 # 1 0 , G ID -b , S Q # = 2 , CT R L = E O SS T S -1 # 1 0 , G ID -b , S Q # = 2 , CT R L = E O S

S T S -1 # 1 1S T S -1 # 1 1

S T S -1 # 1 2 , S T S -1 # 1 2 , G ID -a , S Q # = 2 5 5 , CT R L = ID L EG ID -a , S Q # = 2 5 5 , CT R L = ID L E






O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S T S -1 # 1 2 , G ID -a , S T S -1 # 1 2 , G ID -a , S Q # = 4S Q # = 4,,

CT R L = A D DCT R L = A D D


• S o u r c e s e n d s CT R L = A D D in th e c h a n n e l to b e a d d e d

• S o u r c e w a its fo r s in k to r e s p o n d w ith M S = O K fo r # 4 N o te th a t th e M S fo r a ll m e m b e r s is s e n t in th e c o n tr o l p a c k e ts o f e a c h m e m b e r







S T S -1 # 4S T S -1 # 4

S T S -1 # 5S T S -1 # 5

S T S -1 # 6

S T S -1 # 7 , G ID -a , S Q # = 3 , CT R L = E O SS T S -1 # 7 , G ID -a , S Q # = 3 , CT R L = E O S




S T S -1 # 1 1S T S -1 # 1 1


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S T S -1 # 7 , G ID -a , S Q # = 3 , S T S -1 # 7 , G ID -a , S Q # = 3 , CT R L = N O R MCT R L = N O R M

S T S -1 # 1 2 , G ID -a ,S T S -1 # 1 2 , G ID -a , S Q # =S Q # = 4 , 4 , CT R L = E O SCT R L = E O S


• S o u r c e s e n d s CT R L = E O S in th e la s t (n e w ) c h a n n e l a n d N O R M in th e n e x t-to -la s t c h a n n e l

• T h e a d d e d c h a n n e l c a r r ie s tr a ffic in th e fir s t fr a m e a fte r th e e n d o f th e c o n tr o l p a c k e t th a t c a r r ie d th e CT R L = N O R M /E O S c h a n g e







S T S -1 # 4S T S -1 # 4

S T S -1 # 5S T S -1 # 5

S T S -1 # 6




S T S -1 # 1 1S T S -1 # 1 1



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S T S -1 # 4S T S -1 # 4

S T S -1 # 5S T S -1 # 5

S T S -1 # 6

S T S -1 # 1 1S T S -1 # 1 1


• O n c e th e n e w b a n d w id th h a s b e e n c o n n e c te d , th e s in k s e n d s R S -A CK to th e s o u r c e to a c k n o w le d g e th e n e w s e q u e n c e

• A t th e s a m e tim e , th e s in k s e ts its M S to b e c o n s is te n t w ith th e n e w s e q u e n c e




S T S -1 # 7 , G ID -a , S Q # = 3 , S T S -1 # 7 , G ID -a , S Q # = 3 , CT R L = N O R MCT R L = N O R M




S T S -1 # 1 2 , G ID -a ,S T S -1 # 1 2 , G ID -a , S Q # =S Q # = 4 ,4 , CT R L = E O SCT R L = E O S





O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S T S -1 # 4S T S -1 # 4

S T S -1 # 5S T S -1 # 5

S T S -1 # 6

S T S -1 # 1 1S T S -1 # 1 1

L CA S E x a m p le — D e le tin g a Ch a n n e l

• D e le tio n s h o w n h e r e fr o m th e m id d le o f th e g r o u p , w ith s u b s e q u e n t s e q u e n c e n u m b e r s a d ju s te d a c c o r d in g ly

• T h e s in k s e n d s R S -A CK to a c k n o w le d g e th e n e w s e q u e n c e



S T S -1 # 3 , G ID -_ , S T S -1 # 3 , G ID -_ , S Q # = 2 5 5 , CT R L = ID L ES Q # = 2 5 5 , CT R L = ID L E

S T S -1 # 7 , G ID -a , S T S -1 # 7 , G ID -a , S Q # = 2S Q # = 2 , CT R L = N O R MCT R L = N O R M




S T S -1 # 1 2 , G ID -a ,S T S -1 # 1 2 , G ID -a , S Q # =S Q # = 33 , CT R L = E O SCT R L = E O S






O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

N e tw o r k F a u lt “ P r o te c tio n ” th r o u g h L CA S

• If th e d iffe r e n t m e m b e r s o f a v ir tu a lly c o n c a te n a te d c h a n n e l a r e d iv e r s e ly r o u te d , L CA S c a n p r o v id e a fa u lt r e c o v e r y m e c h a n is m

T h e fa ile d m e m b e r (s ) a r e fla g g e d a s fa ile d b y th e L CA S s in k (v ia th e M S T s )

T h e s o u r c e th e n m a r k s th e m e m b e r (s ) a s “ d o n o t u s e ” (CT R L = D N U ) a n d r e d u c e s th e m a p p e d in fo r m a tio n to fit th e n o w -a v a ila b le b a n d w id th

T h e r e s u lt is a “ r e c o v e r y ” th a t k e e p s a c o n n e c tio n a liv e in th e n o n -fa ile d m e m b e r (s ) a t a r e d u c e d d a ta r a te

T h e N M S h a s th e o p tio n o f p e r m a n e n tly d e le tin g th e fa ile d m e m b e r (s )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

H itle s s S w itc h in g

• Ch a n g e s ta k e p la c e in th e S T S fr a m e im m e d ia te ly fo llo w in g th e o n e c o n ta in in g th e la s t c o n tr o l p a c k e t b its fo r th e c o n tr o l p a c k e t w ith th e c h a n g e in fo r m a tio n

R e m e m b e r th a t a ll m e m b e r S T S s a r e s im u lta n e o u s ly c a r r y in g

• A s illu s tr a te d m u ltifr a m e -a lig n e d c o n tr o l p a c k e ts

In th e e x a m p le s , th e c h a n g e s c a n in c lu d e :

A d d in g m e m b e r s

D e le tin g m e m b e r s

R e a r r a n g in g th e s e q u e n c e n u m b e r s (a lth o u g h p e r a g r e e m e n t, th is r e -a r r a n g e m e n t is o n ly a llo w e d a t a n a d d /d e le te e v e n t)



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

Q o S a t th e E d g e

• Q o S a t th e e d g e is n o t o n ly r e q u ir e d …F le x ib le , a p p lic a tio n d r iv e n S L A s a t th e e d g e o f th e n e tw o r k r e q u ir e s e n h a n c e d Q o S a t th e e d g e o f th e n e tw o r k

• Q o S a t th e e d g e a ls o e n h a n c e s th e s c a la b ility o f th e a r c h ite c tu r e

H a n d lin g o v e r s u b s c r ip tio n a t th e e d g e a v o id s a d d itio n a l tr a ffic tr a n s p o r t d e e p e r in to th e n e tw o r kCa n d e p lo y la r g e r n u m b e r o f Cu s to m e r s /E th e r n e t-S e r v ic e s p e r a c c e s s r in g — m a k in g r in g u p g r a d e le s s lik e ly

• L o -V C A T , L C A S a s a n a lte rna tiv e to e d g e Q o S ?B u r s ty tr a ffic r e q u ir e s fle x ib le a n d r a p id c h a n g e o f c o n n e c tio n b a n d w id th


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L o -V CA T /L CA S Co n s id e r a tio n s

• L o -V CA T , L CA S o p e r a tio n in d a ta n e tw o r k sD e fin e s g r o u p -m e m b e r id e n tific a tio n w ith in a V CG b u t d o e s n o t d e fin e fr a m e a s s ig n m e n t to m e m b e r sO n e c a n c o n tr o l d e la y s k e w b e tw e e n V C G r o u p m e m b e r s w ith L CA S

L CA S d e p e n d s o n h a n d s h a k e m e c h a n is mU p d a te la te n c y d e p e n d e n t o n N e tw o r k s iz e — m a y ta k e m u ltip le R T T s u n til S o u r c e c a n d e te c t fa ilu r e o f a n o p e r a tio n (m o s t c o m m o n ly d u e to d e la y s k e w d e te c te d a t s in k -n o d e )

S o u r c eS o u r c e S in kS in kC T R L = A D D

M S T = O K

C T R L = E O S

C o nne c tiv ity C h e c k :• CR C c h e c k in g o f th e c o n tr o l p a c k e t• D iffe r e n tia l d e la y o f n e w m e m b e r

Ch a n n e l r e la tiv e to e x is tin g m e m b e r Ch a n n e ls w ith in b o u n d s ?

• B E R (n e w m e m b e r c h a n n e l) a c c e p ta b le ?• Ca p a c ity a v a ila b le a t th e S in k ?



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L o -V CA T /L CA S Co n s id e r a tio n s

• V CA T /L CA S c o m b in a tio n N O T s u ita b le to p r o v id e fle x ib le b a n d w id th to b u r s tys o u r c e s

• V CA T (w ith o u t a n y Q o S a t th e e d g e ) w o u ld r e q u ir e to p r o v is io n fo r P IR r a th e r th a n CIR

L e a d s to o v e r -p r o v is io n in g o f th e a c c e s s p ip e (tw ic e th e n u m b e r o f V C-1 2 /V T 1 .5 n e e d e d p e r s e r v ic e )

R e a c h a c c e s s r in g c a p a c ity fa r fa s te r th a n w ith e d g e -Q o S d e p lo y m e n t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E d g e -Q o S a n d L o -V CA T D e p lo y m e n t

• E d g e -Q o SM u ltip le c u s to m e r s s h a r e o n e p ip eT r a ffic -E n g in e e r fo r CIR

• L o V CA TS u b -o p tim a l tr a ffic p a tte r n s in a c c e s s r in gB u r n s e x p e n s iv e in te r fa c e s o n P E — O n e P E -In te r fa c e p e r c u s to m e r -fa c in g in te r fa c eT r a ffic -E n g in e e r fo r P IR (> CIR )

• L CA S fo r p r o v is io n in g , n o t fo r Q o S -lik e tr a ffic h a n d lin g

Q o S a t th e E d g e L o V CA T to B a c k -H a u l T r a ffic to P E

$ $ $

V CA T

E d g e -Q o S

S ta t. M u x in gw /Q o S

N o S ta t. M u x in g — M o r e B W o n A c c e s s

R in g N e e d e d

$ $ $



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L o -V CA T D e p lo y m e n t— S u m m a r y

• R e a s o n a b le fo r v e r y fe w c ir c u its w ith lo w b a n d w id th r e q u ir e m e n ts (< < 1 0 M b p s )

• D e p lo y m e n t fo r b u r s ty s o u r c e s a n d la r g e r b a n d w id th (> = 5 M b p s ) n o t r e a s o n a b le

N o e ffic ie n t u tiliz a tio n o f a c c e s s r in g (n e e d to p r o v is io n fo r P IR r a th e r th a n CIR )

V CA T r e q u ir e s o n e p o r t p e r c u s to m e r o n P E d e v ic e (tr a ffic is b a c k -h a u le d th r o u g h th e S D H /S O N E T n e tw o r k )


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

L CA S M is c o n c e p tio n s

• T h e L CA S a s s u m e s th a t in c a s e s o f c a p a c ity in itia tio n , in c r e a s in g o r d e c r e a s in g , th e m o d ific a tio n o f th e e n d -to -e n d p a th o f e a c h in d iv id u a l V CG m e m b e r is th e r e s p o n s ib ility o f th e N e tw o r k a n d E le m e n t M a n a g e m e n t S y s te m s

• T h a t is , L CA S p r o v id e s a m e c h a n is m fo r b a n d w id th r e p r o v is io n in g , h o w e v e r L CA S is n o t th e c o n tr o llin g m e c h a n is m th a t d e c id e s w h e n o r w h y th e o p e r a tio n is m a d e ; L CA S is th e p r o to c o l th a t g iv e s a c o n tr o llin g m e c h a n is m th e a b ility to m a k e b a n d w id th c h a n g e s ; it is n o t th e c o n tr o llin g m e c h a n is m its e lf

• L CA S d o e s n o t d e fin e th e b u ffe r in g a n d c o n tr o l to m a k e tr a n s itio n s “ h itle s s ”



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

G F P /V CA T /L CA S B lo c k D ia g r a m

O p tic sO p tic s

F r a m e rF r a m e r

CD RS E R D E S

CD RS E R D E S

R A MR A M

V CA TV CA T

L CA SL CA S

G F P M a p p e rG F P

M a p p e rG E M A C

P P P /H D L C

F C/E S CO N

••


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

P le a s e Co m p le te Y o u r E v a lu a tio n F o r m

S e s s io n O P T -4 0 4 0



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

1 1 8© 20 0 3 , C is c o S y s te m s , In c . A ll rig h ts re s e rv e d .

O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

R e fe r e n c e In fo r m a tio n

S O N E T /S D H H ie r a r c h ie s

S ta n d a r d s In fo r m a tio n



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S D H /S O N E T T r a n s m is s io n R a te sT a b le 1 : S O N E T /S D H D ig ita l H ie r a rc h y

O p tic a lL e v e l

S O N E TE le c tr ic a l

L e v e lS D H

E q u iv a le n tL in e R a te

(M b p s )

P a y lo a dR a te

(M b p s )

O v e r h e a dR a te

(M b p s )S O N E T

Ca p a c ityS D H

Ca p a c ity

O C -1 S T S -1 – 5 1 .8 4 0 5 0 .1 1 2 1 .7 28 28 D S -1 s o r 1 D S -3 21 E 1 s

O C -3 S T S -3 S T M -1 1 5 5 .5 20 1 5 0 .3 3 6 5 .1 8 48 4 D S -1 s o r

3 D S -3 s6 3 E 1 s o r

1 E 4

O C -1 2 S T S -1 2 S T M -4 6 22.0 8 0 6 0 1 .3 4 4 20 .7 3 63 3 6 D S -1 s o r

1 2 D S -3 s25 2 E 1 s o r

4 E 4 s

O C -4 8 S T S -4 8 S T M -1 6 24 8 8 .3 20 24 0 5 .3 7 6 8 2.9 4 41 ,3 4 4 D S -1 s o r

1 9 2 D S -3 s1 ,0 0 8 E 1 s o r

1 6 E 4 s

O C -1 9 2 S T S -1 9 2 S T M -6 4 9 9 5 3 .28 0 9 6 21 .5 0 4 3 3 1 .7 7 65 ,3 7 6 D S -1 s o r

1 9 2 D S -3 s4 ,0 3 2 E 1 s o r

6 4 E 4 s

A lth o u g h a n S D H S T M -1 h a s th e s a m e b it ra te a s th e S O N E T S T S -3 , th e tw o s ig n a ls c o n ta in d iffe re n t fra m e s tru c tu re s . S T M = S y n c h ro n o u s T ra n s p o rt M o d u le (IT U -T )S T S = S y n c h ro n o u s T ra n s fe r S ig n a l (A N S I)O C = O p tic a l C a rrie r (A N S I)


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

N o n S y n c h r o n o u s (P le s io c h r o n o u s ) H ie r a r c h ie s

T a b le 2 : N o n -s y n c h r o n o u s H ie r a r c h ie s

A N S I (A m e r ic a n N a tio n a l S ta n d a rd s In s titu te ) R a te

IT U -T (In te r n a tio n a l T e le c o m m u n ic a tio n U n io n – T e le c o m m u n ic a tio n S ta n d a r d iz a tio n S e c to r ) R a te

S ig n a l B it R a te Ch a n n e ls S ig n a l D ig ita l B it R a te Ch a n n e ls

D S -0 6 4 k b p s 1 D S -0 6 4 -k b p s 6 4 k b p s 1 6 4 -k b p s

D S -1 1 .5 4 4 M b p s 24 D S -0 s E 1 2.0 4 8 M b p s 1 E 1

D S -2 6 .3 1 2 M b p s 9 6 D S -0 s E 2 8 .4 5 M b p s 4 E 1 s

D S -3 4 4 .7 M b p s 28 D S -1 s E 3 3 4 M b p s 1 6 E 1 s

N o t d e fin e d E 4 1 4 4 M b p s 6 4 E 1 s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S D H /S O N E T T r ib u ta r y R a te s

T a b le 3 : S O N E T a n d S D H T r ib u ta r ie s

T rib u ta r y S ig n a l T rib u ta r y B it R a te S O N E T N a m e S D H N a m e

D S -1 1 .7 28 M b p s V T -1 .5 T U -1 1

E -1 2.3 0 4 M b p s V T -2 T U -1 2

D S -1 C 3 .4 5 6 M b p s V T -3 –

D S -2 6 .9 1 2 M b p s V T -6 T U -2

E -3 4 9 .1 5 2 M b p s – T U -3


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

S ta n d a r d s S ta tu s

• E v e r y th in g p e r ta in in g to th e b its a n d b y te s o f L CA S is c o n ta in e d in th e c u r r e n t d r a fts o f T 1 .1 0 5 a n d G .7 0 7

B o th h a v e p a s s e d th e b a llo tin g p h a s e a n d a r e w a itin g to b e p u b lis h e d

• G .7 0 4 2 is th e n e w ly a p p r o v e d L CA S s p e c ific a tio n th a t d e fin e s th e p r o to c o l a n d a lg o r ith m a s p e c ts o f L CA S

A c o r r ig e n d u m w a s a d d e d a t th e M a y 2 0 0 2 m e e tin g w h ic h a d d e d s o m e c la r ify in g te x t b a s e d o n e m a il e x p lo r e r d is c u s s io n s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

IT U E n c a p s u la tio n S ta n d a r d s

• IT U X .8 5 L in k A c c e s s P r o c e d u r e (L A P S )—P r o v id e s a s im p le H D L C-L ik e s p e c ific a tio n to a d a p t IP d ir e c tly to S O N E T /S D H

• IT U X .8 6 E th e r n e t o v e r L A P S — E x p a n d s th e s c o p e o f X .8 5 w ith s p e c ific a tio n o f E th e r n e t tr a n s p o r t o v e r S O N E T /S D H

• G .7 0 4 1 G e n e r ic F r a m in g P r o c e d u r e (G F P )— P r o v id e s a m e c h a n is m fo r tr a n s p o r tin g a n d m u ltip le x in g p a c k e t a n d b lo c k o r ie n te d p r o to c o ls o v e r S O N E T /S D H


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

A p p r o v e d IT U -T R e c o m m e n d a tio n s fo r 2 0 0 1 – 2 0 0 4 S tu d y P e r io d• G . 9 8 1 .1 A m e n d m e n t 1 — B r o a d b a n d O p tic a l A c c e s s S y s te m b a s e d o n

P a s s iv e O p tic a l N e tw o r k s (P O N )• G .9 8 3 . 1 a n d 2 , A m e n d m e n ts 1 a n d 2 — O T N M a n a g e m e n t a n d Co n tr o l

In te r fa c e fo r S p e c ific a tio n fo r A T M P O N• G .9 8 3 .7 — O T N M a n a g e m e n t a n d Co n tr o l In te r fa c e S p e c ific a tio n fo r

D B A — B -P O N S y s te m s • G .9 8 4 .1 — G e n e r a l Ch a r a c te r is tic s o f G ig a b it c a p a b le P a s s iv e O p tic a l

N e tw o r k s• G .9 8 4 .2 — G ig a b it c a p a b le P a s s iv e O p tic a l N e tw o r k s (G .p o n ): P h y s ic a l

M e d ia D e p e n d e n t• G .9 8 5 — 1 0 0 M b it/s P o in t-to -P o in t E th e r n e t-B a s e d O p tic a l A c c e s s

S y s te m • G . 7 9 8 a n d A m e n d m e n t 1 — Ch a r a c te r is tic s o f O p tic a l T r a n s p o r t

N e tw o r k (O T N ) H ie r a r c h y E q u ip m e n t E q u ip m e n t F u n c tio n a l B lo c k s• G . 7 0 4 1 /Y .1 3 0 3 Co r r ig e n d u m 1 a n d A m e n d m e n t 1 — (e x G .g fp )— G e n e r ic

F r a m in g P r o c e d u r e• G .7 0 7 0 a n d A m e n d m e n t 1 a n d 2 , a n d Co r r ig e n d u m 2 — N e tw o r k N o d e

In te r fa c e fo r S D H



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

A p p r o v e d IT U -T R e c o m m e n d a tio n s fo r 2 0 0 1 – 2 0 0 4 S tu d y P e r io d

• G .7 0 9 0 a n d A m e n d m e n t 1 — In te r fa c e s fo r th e O p tic a l T r a n s p o r t N e tw o r k (O T N )

• G .7 0 4 2 /Y .1 3 0 5 Co r r ig e n d u m 1 a n d 2 (e x G .lc a s )—L in k Ca p a c ity A d ju s tm e n t S c h e m e (L CA S ) fo r V ir tu a l Co n c a te n a te d S ig n a ls

• G .8 1 3 — T im in g Ch a r a c te r is tic s o f S D H E q u ip m e n t S la v e Clo c k s (S E C)

• G . 8 0 8 0 /Y .1 3 0 4 a n d A m e n d m e n t 1 — (e x G .a s o n )—A r c h ite c tu r e a n d S p e c ific a tio n s fo r th e A u to m a tic a lly S w itc h e d O p tic a l N e tw o r k

• G . 8 7 2 — A r c h ite c tu r e o f O p tic a l T r a n s p o r t N e tw o r k s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 8 2 5 1 a n d A m e n d m e n t a n d Co r r ig e n d u m 1 — T h e Co n tr o l o f J itte r a n d W a n d e r w ith in th e O p tic a l T r a n s p o r t N e tw o r k (O T N )

• G . 8 7 4 — M a n a g e m e n t A s p e c ts o f th e O p tic a l T r a n s p o r t N e tw o r k E le m e n t

• G . 8 7 4 .1 — O T N P r o to c o l-N e u tr a l M a n a g e m e n t In fo r m a tio n M o d e l fo r th e N e tw o r k E le m e n t V ie w

• G . 7 7 1 3 /Y .1 7 0 4 — (e x G .d c m )— D is tr ib u te d Ca ll a n d Co n n e c tio n M a n a g e m e n t

G . 7 7 1 3 .1 /Y .1 7 0 4 .1 — D is tr ib u te d Ca ll a n d Co n n e c tio n M a n a g e m e n t— P N N I Im p le m e n ta tio nG . 7 7 1 3 .2 /Y .1 7 0 4 .2 — D is tr ib u te d Ca ll a n d Co n n e c tio n M a n a g e m e n t— R S V P -T E Im p le m e n ta tio nG . 7 7 1 3 .3 /Y .1 7 0 4 .3 — D is tr ib u te d Ca ll a n d Co n n e c tio n M a n a g e m e n t— CR -L D P Im p le m e n ta tio n

• G . 7 7 1 4 /Y .1 7 0 5 — (e x G .d is c )— G e n e r a liz e d a u to m a tic D is c o v e r y T e c h n iq u e s

G . 7 7 1 4 .1 /Y .1 7 0 5 .1 — P r o to c o l fo r A u to m a tic D is c o v e r y in S D H a n d O T N N e tw o r k s

• G . 7 7 1 2 /Y .1 7 0 3 — (e x G .d c n ) A r c h ite c tu r e a n d S p e c ific a tio n o f D a ta Co m m u n ic a tio n N e tw o r k



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 6 9 3 (e x G .v s r )— O p tic a l In te r fa c e s fo r In tr a -O ffic e A p p lic a tio n s

• G . 8 4 1 a n d Co r r ig e n d u m 1 — Ch a r a c te r is tic s o f S D H N e tw o r k P r o te c tio n A r c h ite c tu r e s

• G . 7 7 1 5 /Y .1 7 0 6 — A r c h ite c tu r e a n d R e q u ir e m e n ts fo r r o u tin g in A u to m a tic a lly S w itc h e d O p tic a l N e tw o r k s

• G . 8 0 8 .1 (G .g p s .1 )— G e n e r ic P r o te c tio n S w itc h in g — L in e a r

• G . 8 7 3 .1 (G o tn p r o t.1 )— O T N P r o te c tio n S w itc h in g — L in e a r

• G . 7 0 9 /Y .1 3 3 1 (G .o n s )— In te r fa c e fo r th e O p tic a l T r a n s p o r t N e tw o r k

• G . 7 7 1 0 /Y .1 7 0 1 — (e x G .c e m r )— Co m m o n E q u ip m e n t M a n a g e m e n t F u n c tio n R e q u ir e m e n ts

• G . 6 5 2 — Ch a r a c te r is tic s o f S in g le M o d e O p tic a l F ib e r a n d Ca b le

• G . 6 5 5 — Ch a r a c te r is tic s o f N o n -Z e r o D is p e r s io n S h ifte d S in g le M o d e O p tic a l F ib e r a n d Ca b le

• G . 6 6 4 — O p tic a l S a fe ty P r o c e d u r e s a n d R e q u ir e m e n ts fo r O p tic a l T r a n s p o r t S y s te m s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

N e w o r R e v is e d D r a ft IT U -T R e c o m m e n d a tio n s fo r 2 0 0 1 – 2 0 0 4 S tu d y P e r io d

• G . 8 0 8 .2 (G .g p s .2 )— G e n e r ic P r o te c tio n S w itc h in g — R in g

• G . 8 7 3 .2 (G .o tn p r o t.2 )— O T N P r o te c tio n S w itc h in g — R in g

• G . 7 8 3 Co r r ig e n d u m 2 — Ch a r a c te r is tic s o f S D H E q u ip m e n t F u n c tio n a l B lo c k s

• G . 7 9 8 — F u n c tio n a l Ch a r a c te r is tic s o f O p tic a l N e tw o r k in g E q u ip m e n t

• G . te r m in o lo g y — O p tic a l a n d S D H T e r m in o lo g y

• G . 8 0 6 A m e n d m e n t 1 — Ch a r a c te r is tic s o f T r a n s p o r t E q u ip m e n t— D e s c r ip tio n M e th o d o lo g y a n d G e n e r ic F u n c tio n a lity

• G . 7 0 7 /Y .1 3 2 2 Co r r ig e n d u m 3 a n d A m e n d m e n t 3 — N e tw o r k N o d e In te r fa c e fo r th e S D H



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 8 0 8 0 /Y .1 3 0 4 — A u to m a tic S w itc h e d O p tic a l N e tw o r k s

• G .e tn a — E th e r n e t o v e r T r a n s p o r t N e tw o r k A r c h ite c tu r e

• G . 8 2 5 1 — (e x G .o tn jit)— O T N J itte r

• G . 8 7 4 — M a n a g e m e n t A s p e c ts o f th e O T NG . 8 7 4 .1 — O T N M a n a g e m e n t In fo r m a tio n M o d e l (p r o to c o l-n e u tr a l)

• G . 8 7 5 — O T N M a n a g e m e n t In fo r m a tio n M o d e l—CM IP Im p le m e n ta tio n

• G .8 7 6 (G . o tn -s n m p )— O T M M a n a g e m e n t In fo r m a tio n M o d e l— S N M P Im p le m e n ta tio n

• G . 7 7 1 1 /Y .1 7 0 2 — (e x G .ip m ) IP M a n a g e m e n t


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 7 7 1 5 /Y .1 7 0 6 (G .r tg )— A S O N R o u tin g

G .7 7 1 5 .1 /Y .1 7 0 6 .1 — R e q u ir e m e n ts fo r L in k S ta te M e th o d R o u tin g P r o to c o l

• G . 7 7 1 6 /Y .1 7 0 7 (G .lc s )— L in k M a n a g e m e n t fo r A u to m a tic a lly S w itc h e d O p tic a l N e tw o r k

• G .7 7 1 7 /Y .1 7 0 8 (G .c a c )— A S O N Co n n e c tio n A d m is s io n Co n tr o l

• G .fa m e — F r a m e w o r k fo r A S O N M a n a g e m e n t

• G . 6 5 0 .1 A m e n d m e n t 1 — D e fin itio n a n d T e s t M e th o d s fo r lin e a r , d e te r m in is tic a ttr ib u te s o f S in g le M o d e F ib e r a n d Ca b le

• G . 6 5 0 .2 A m e n d m e n t 1 — D e fin itio n a n d T e s t m e th o d s fo r s ta tis tic a l a n d n o n -lin e a r a ttr ib u te s o f S in g le M o d e F ib e r a n d Ca b le

• G .6 5 0 .3 — T e s t M e th o d s fo r In s ta lle d S in g le M o d e F ib e r L in k s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 6 5 3 — Ch a r a c te r is tic s o f D is p e r s io n S h ifte d S in g le M o d e O p tic a l F ib e r a n d Ca b le

• G . 6 5 4 — Ch a r a c te r is tic s o f Cu t-O ff S in g le M o d e S h ifte d O p tic a l F ib e r a n d Ca b le

• G .6 5 6 (G . s c l)— Ch a r a c te r is tic s o f F ib e r a n d Ca b le w ith N o n -Z e r o D is p e r s io n fo r W id e b a n d T r a n s p o r t

• G . 6 6 4 — O p tic a l S a fe ty P r o c e d u r e s a n d R e q u ir e m e n ts fo r O p tic a l T r a n s p o r t S y s te m s

• G . 9 5 5 — D ig ita l L in e S y s te m s B a s e d o n 1 5 4 4 K b it/s a n d 2 0 4 8 K b it/s H ie r a r c h y o n o p tic a l F ib e r Ca b le s

• G . 9 5 7 — O p tic a l In te r fa c e s fo r E q u ip m e n t a n d S y s te m s R e la tin g to S D H

• G . 6 9 1 — O p tic a l In te r fa c e s fo r S in g le Ch a n n e l S T M -6 4 , S T M -2 5 6 a n d o th e r S D H S y s te m s w ith O p tic a l In te r fa c e s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 6 9 2 — O p tic a l In te r fa c e s fo r M u lti-Ch a n n e l S y s te m s w ith O p tic a l A m p lifie r s

• G . 9 5 9 .1 — O p tic a l T r a n s p o r t N e tw o r k s P h y s ic a l L a y e r In te r fa c e s

• S u p p le m e n t.d s n — O p tic a l S y s te m D e s ig n

• G . 6 9 3 — O p tic a l in te r fa c e s fo r In tr a O ffic e A p p lic a tio n s

• G . 6 9 4 .1 — S p e c tr a l G r id s fo r W D M A p p lic a tio n s : D W D M F r e q u e n c y G r id

• G . 6 9 4 .2 — S p e c tr a l G r id s fo r W D M A p p lic a tio n s : CW D M W a v e le n g th G r id

• G . 6 9 5 (G . c a p p ) — O p tic a l in te r fa c e s fo r Co a r s e W D M M u ltip le x in g A p p lic a tio n s

• G . o p tm o n — O p tic a l P e r fo r m a n c e M o n ito r in g

• G . Ia D I— In tr a -D o m a in In te r fa c e s P h y s ic a l L a y e r S p e c ific a tio n s fo r O p tic a l N e tw o r k s E m p lo y in g W D M



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 6 6 1 — D e fin itio n a n d T e s t M e th o d s fo r th e R e le v a n t G e n e r ic P a r a m e te r s o f O p tic a l A m p lifie r D e v ic e s a n d S u b s y s te m s

• G .6 6 2 — G e n e r ic Ch a r a c te r is tic s o f O p tic a l A m p lifie r D e v ic e s a n d S u b s y s te m s

• G . 6 6 3 — A p p lic a tio n R e la te d A s p e c ts o f O p tic a l A m p lifie r D e v ic e s a n d S u b s y s te m s

• G . 6 7 1 — T r a n s m is s io n Ch a r a c te r is tic s o f O p tic a l Co m p o n e n ts• G . 9 7 1 — G e n e r a l F e a tu r e s o f O p tic a l F ib e r

S u b m a r in e Ca b le S y s te m s• G . 9 7 2 — D e fin itio n o f T e r m s R e le v a n t to O p tic a l F ib e r

S u b m a r in e S y s te m s• G . 9 7 3 — Ch a r a c te r is tic s o f R e p e a te r le s s O p tic a l F ib e r

S u b m a r in e Ca b le S y s te m s• G . 9 7 4 — Ch a r a c te r is tic s o f R e g e n e r a tiv e O p tic a l F ib e r

S u b m a r in e Ca b le S y s te m s


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2


• G . 9 7 5 .x — F o r w a r d E r r o r Co r r e c tio n fo r H ig h B it R a te D W D M S u b m a r in e S y s te m s

• G . 9 7 6 — T e s t M e th o d s A p p lic a b le to O p tic a l F ib e r S u b m a r in e Ca b le S y s te m s

• G . 9 7 7 — Ch a r a c te r is tic s o f O p tic a lly A m p lifie d O p tic a l F ib e r S u b m a r in e Ca b le S y s te m s

• S u p .d s n s u b — D e s ig n G u id e lin e s fo r O p tic a l F ib e r S u b m a r in e Ca b le S y s te m s

• G . 8 7 1 — F r a m e w o r k o f O p tic a l T r a n s p o r t N e tw o r k R e c o m m e n d a tio n s

• G . 9 1 1 — P a r a m e te r s a n d Ca lc u la tio n M e th o d o lo g ie s fo r R e lia b ility a n d A v a ila b ility o f F ib e r O p tic S y s te m s



O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t S p e c ific W o r k

• S G 1 5 E th e r n e t A c tiv itie sW o r k in g P a r ty 1

Q u e s tio n 2 N e tw o r k A c c e s s

G .9 8 5 (G .p 2 p )— 1 0 0 M b p o in t-to -p o in t E th e r n e t A c c e s s —R e q u ir e m e n ts a n d A r c h ite c tu r e

G .c e s — Cir c u it E m u la tio n S e r v ic e s o v e r E th e r n e t

W o r k in g P a r ty 3

Q u e s tio n 1 2

G .e tn a — E th e r n e t T r a n s p o r t N e tw o r k A r c h ite c tu r e

G .e th n a — E th e r n e t L a y e r N e tw o r k A r c h ite c tu r e

G .e o ta — E th e r n e t o v e r T r a n s p o r t A r c h ite c tu r e

G .e s m — E th e r n e t o v e r T r a n s p o r t— E th e r n e t S e r v ic e M u ltip le x in g

G .e th s r v — E tr h e r n e t o v e r T r a n s p o r t— E th e r n e t S e r v ic e Ch a r a c te r is tic s

G .s m c — S e r v ic e M a n a g e m e n t Ch a n n e l— P r iv a te L in e

G .c e s a — Cir c u it E m u la tio n S e r v ic e s o v e r E th e r n e t— A r c h ite c tu r e


O P T -4 0 4 08 0 6 0 _ 0 5 _ 20 0 3 _ c 2

E th e r n e t S p e c ific W o r k

Q u e s tio n 1 1

G .e tn n i— E th e r n e t o v e r T r a n s p o r t N e tw o r k N o d e In te r fa c e

G .e u n i— E th e r n e t U s e r to N e tw o r k In te r fa c e

Q u e s tio n 9

G .e e q — E th e r n e t o v e r T r a n s p o r t— E q u ip m e n t F u n c tio n a l B lo c k s

G .e e m f— E th e r n e t E q u ip m e n t M a n a g e m e n t F u n c tio n

G .e fr w — E th e r n e t F r a m e w o r k

W o r k in g P a r ty 4

Q u e s tio n 1 6

G .6 9 5 (G .c a p p )— CW D M A p p lic a tio n s (in c lu d in g E th e r n e t)

• S G 1 3 E th e r n e t A c tiv itie sQ u e s tio n 3

Y .1 7 e th r e q — E th e r n e t L a y e r R e q u ir e m e n ts

Y .1 7 e th o a m — E th e r n e t O A M F u n c tio n a lity

Y .1 7 e th p s — E th e r n e t P r o te c tio n S w itc h in g

Y .e th p e r f— E th e r n e t E r r o r P e r fo r m a n c e

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