Intro to Diameter 120727111739 Phpapp02

8/17/2019 Intro to Diameter 120727111739 Phpapp02

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ISSUEISSUE

Fixed Network Curriculum

Development Section

UA0001 SG7000 System Overview 1.11.1


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Foreword

Trend of the communication network development

Concept of G

!ocation of SG7000 in G


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Lesson Goal

Know about the concept of NGN

Understand the function of SG7000

Master the principle of SG7000

After this lesson, you can


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Lesson !ontents

!hapter " NGN #$er$iew

!hapter % SG7000 Syste& #$er$iew


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Section " Networ' de$elop&ent trend and

NGN o$er$iew

Section % Location of SG7000 in NGN


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Networ' (e$elop&ent )rend and NGN #$er$iew

NGN, short for& of the Ne*t Generation Networ', is a 'ind of ser$ice+dri$ennetwor'

Ser$ice and call control are co&pletely separate, so are the call control and

bearer

-t is a brand new networ' inte.rated with $oice, data, fa* and $ideo ser$ices

)he unifor& of NGN can be inte.rated with co&&unication, infor&ation, e+

co&&erce and entertain&ent ser$ices, brin.in. the interacti$e drea& into a

truth

)eleco& networ', co&puter networ' and cable )/ networ' are ulti&ately &er.ed

into a unifor& - networ', that is the so+called 1$oice2data2$ideo 3+in+" networ'4


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)rend of NGN

Open architecture with inte"rated multimedia services

Stepless network with simplified O#$ and mana"ement

%ast deployment of new services to synchroni&e the market

chan"e

'(in(1 network construction concept to concentrate investment

in a uniform network platform


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NGN Model

G model dia"ram

Soft Switch

switch

Soft Switch

switch

AT$ S) AT$*+, GS-*TS-

SS7

SG T$G A$G +A. $G)

)ireless

access/roadand

access,ST*+S.

Access

Transfer

Service

application

OSS*/SS AAA server SC, App Server 'rd ,arty Server ,olicy

Server

Control


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NGN Features

!ayered fully(open network architecture independent modular

structure

Completely separate service and call control call control and

earer

Uniform protocol ased packet network system

+, network earer

Separate "ateway system

SG A$G and T$G


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-nterconnection between 5*istin. Networ' and NGN

+nterconnection of media flow 2such voice data and ima"e3

+nterconnection of si"nalin"

13 /oth G and e4istin" networks must use the same

application layer si"nalin" protocols 2such as TU, and

+SU,35

'3 Si"nalin" messa"es can e transmitted seamlessly

etween the two network types6 4istin" network and G5


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Section " Networ' de$elop&ent trend and NGN o$er$iew

Section % Location of SG7000 in NGN


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Location of SG7000 in NGN

Used in the access layer in G

)ith complete S+GT-A and SS7 protocols

Connected to narrowand telecom e8uipment with traditional

narrowand network interface and standard o5 7 si"nalin"

protocol

Connected to G e8uipment with packet network interface and

standard S+GT-A protocol to implement the +, earer of o5 7

si"nalin"


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Location of SG7000 in -ndependent Gateway Model

SG7000 in separate "ateway model

SS7

!ircuit

SS7

!ircuit

S

)

N

S

)

N

- networ'

SG SG

MG MG

MG! MG!

S-G)6AN S-G)6AN


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SG7000 Functions

arrowand

si"nalin" earer

TU,* +SU, 9 TU,* +SU, 9

S)N2LMNS)N2LMN switch Soft switchSGSG

arrowand

si"nalin"

earer

/roadand

si"nalin"

earer

/roadand

si"nalin"

earer


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Lesson !ontents




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!hapter % #$er$iew of the SG7000 Syste&

Section 1 %eatures of the SG7000 ,roduct

Section : SG7000 etworkin" Applications


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Fle*ible !onfi.uration and 5asy Networ'in.

Accordin" to the actual network re8uirement of the

user it can e used in fi4ed network or moile

network or in the case with inte"rated fi4ed and

moile network5


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u.e !apacity

$odules are smoothly e4panded to increase

si"nalin" links5

Supportin" up to ;1:0 kit*s si"nalin" links

Supportin" up to ':0 < : $it*s hi"h(speed si"nalin"

links


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i.h 6eliability

The SG7000 is e8uipped with a hi"hly reliale platform with

fully distriuted architecture and modular software functions5

-edundancy technolo"y is used in the system desi"n with

dual(ackup or load(sharin" for all key components5

)ith e4treme error tolerance capaility the fault with a sin"le

software*hardware unit in the system will not affect the

si"nalin" services of other units5?A mana"ement function is implemented on the platform

resultin" in a system reliaility aove 05@@@@@5


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!o&prehensi$e Functions

The SG7000 supports o5 7 si"nalin" protocol S+GT-A protocol TC,*+,

and thernet protocol and implements the interconnection etween o5 7

and +,5

The SG7000 can work as a si"nalin" a"ent point or si"nalin" transition

point and supports si"nalin" messa"es forwarded etween narrowand

network and +, network or forwarded in narrowand network5

The SG7000 provides messa"e screenin" GT translation and multiple

si"nalin" point functions5

The SG7000 supports => it*s and B570' : $it*s hi"h(speed si"nalin"

links 2includin" the it*s mode35


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S&ooth 5*pansion

The hardware is desi"ned in a structure of

superimposed modules5

/y means of shelf cascadin" it can e smoothly e4panded

up to ;1:0 links5


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5asy and ractical #8M

,rovidin" multiple maintenance modes such as GU+

and $$! and supportin" concurrent e8uipment

accesses from multiple local*remote clients

Comprehensive service statistics and realtime fault

mana"ement function

+nte"rated si"nalin" tracin" and messa"e interpretation

function

Supportin" uniform $ interface


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SG7000 !apacity -ndices

The SG7000 capacity indices are listed in the tale elow6

ara&eter -nde*$a45 links 2=>kit*s3 9"%0

$a45 links 2:$it*s3 3%0

GT capacity :00000

$a45 destination si"nalin" points 10:>$a45 narrowand si"nalin" link "roups ;1:

$a45 $'UA link "roups ;1:

$a45 narrowand si"nalin" routes :0>

$a45 $'UA si"nalin" routes ;1:

$a4 ASs 10:>

$a45 SCT, couplin"s :'0>

$a45 S,$Cs 2SG works in the si"nalin"transition point mode3

10:>

$a45 local si"nalin" points supported 1=


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SG7000 erfor&ance -ndices

,arameter +nde4

$a45 load of =>kit*s si"nalin" link 2:0yte*$SU3 05$a45 load of =>kit*s si"nalin" link 2100yte*$SU3 05@;

$a45 load of :$it*s si"nalin" link2:0yte*$SU3

05>

$a45 load of :$it*s si"nalin" link2100yte*$SU3

05

GTT capaility of =>kit*s si"nalin" link ＞ 0GTT*s

GTT capaility of :$it*s si"nalin" link ＞ 1>GTT*s

Transition delay 2etween narrowand networks3 ＜ :0ms

Transition delay 2etween narrowand network and roadandnetwork3

＜ >0ms

8uipment availaility D@@5@@@E

Unavailale time F; minutes*year

$T, undetected error ratio ＜ 10(10

$essa"e loss ratio at $T, fault ＜ 10(7

$essa"e se8uence reversal and repetition ratio at $T, fault ＜ 10(10


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hysical -nterface !haracteristics

Tale of the physical interface characteristics

-nterface type Access &ode

Circuit interface :50>$it*s =>kit*s

% interface 10*100$it*s

Clock interface :50>$ it*s :50>$ ?& kit*s

-S:': interface


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Section 1 %eatures of the SG7000 ,roduct

Section : SG7000 etworkin" Applications


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Ser$ice Applications

The SG7000 supports o5 7 si"nalin" protocol S+GT-A

protocol TC,*+, and thernet protocol and implements the

interconnection etween o5 7 and +, resultin" in the o5 7

si"nalin" interconnection etween narrowand network

e8uipment and G network e8uipment5

The SG7000 can work in the a"ent mode and si"nalin"

transition point mode at the same time5


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Networ'in. in A.ent Mode

+n the a"ent mode the SG7000 uses the $'UA protocol5

)hen the $'UA protocol is used the SG7000 and soft switch

use the same si"nalin" point code5


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Networ'in. in A.ent Mode

etworkin" dia"ram in a"ent mode

!S

!S

ST,

ST,

SG

SoftH1

SoftH:

oint !ode "

oint !ode %

SS7

SS7

SS7

$:UA*$'UA

$:UA*$'UA

SG7000 networkin" in a"ent mode

Wor as a part of softswitch.

!isadvantage: "、 S# can$t %acup for Softswitch. & 、 we can$t get the status

report %etween S# and Softswitch. ' 、 S# (ust serve for one softswith) if we

want serve for other Softswitch )we must use multi*SPC function.


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Networ'in. in Si.nalin. )ransition oint Mode

The $:,A or $'UA protocol is used for the networkin" with

soft switch5

The SG7000 occupies independent si"nalin" point code5

Advantage:

SG is work as active and standby for Softswitch.

we can get the status between SG and Softswitch.

SG can serve for many softswitchs.

$ost case we use this $ode I


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Networ'in. (ia.ra&

etworkin" dia"ram in si"nalin" transition point mode

!S

ST,

SS7

SS7

!S

SoftH1

SoftH:

SG:

SG1

oint !ode "

oint !ode %

oint !ode 3

$:,A*$'UA

$:,A*$'UA

$:,A*$'UA

SG7000 networkin" in si"nalin"

transition point mode

Independent with softswitch


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Su&&ary

/asic concepts of G

!ocation of SG7000 in G

%eatures and networkin" applications of SG7000


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Intro to Diameter 120727111739 Phpapp02