View
114
Download
1
Category
Preview:
Citation preview
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement.
Эволюция оптоволоконных линий
связи в телекоммуникациях
Алексей Сечкин Verizon
March 2015 Transport Networks Russia 2015
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 2
• Тенденции роста трафика
• Текущие возможности по передаче трафика
• Новые технологии
• Ключевые проблемы операторов связи в связи с ростом
трафика
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 3
Serving Wireless
Enterprise Residential
• 100+ млн абонентов сети сотовой связи 3G и 4G • 5.2млн абонентов кабельного TV - FiOS TV • 9млн абонентов проводного доступа в Интернет • 99% компаний списка Fortune 500 • Крупнейшая оптоволоконная сеть США • Первое внедрение линии связи 100G • 200+ ЦОД в 24 странах • Узлы связи в 2700 городах/150 странах
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 4
Тенденции роста трафика
Ref-1806 Sources: Money, Cisco
Verizon
AT&T
Revenue Growth: 1% - 4%/Yr
Capacity need be added: 30% - 10%/Yr
30%
10%
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 5
Тесты линий связи 100G
10G 10G 10G 10G
40G 40G
10G 10G 10G 10G
Data generator
Laser
100G Tx (PM-QPSK)
Dallas Field Fiber Loop
100G Rx (PM-QPSK)
50G ADC/ data
storage Signal
processing (off-line)
X Laser
X0
X90
Y90
Y0 Y
p/2 -
- p/2 -
- hiT 7500 system
10G 40G 40G 10G
Trial equipment in Lab 400, Richardson, TX PDP
Bay
MTS SR1 AF Shelf
MIB
32M
CU
OLI
INC
OLI
INC
PUM
PA
PUM
PA
PUM
PBPU
MPC
OSC
TUI
Cable compartment
2xUDCM in tray
PUM
PBPU
MPC
MTS SR1 AF Shelf
MIB
32M
CU
OLI
INC
OLI
INC
PUM
PA
PUM
PA
PUM
PBPU
MPC
OSC
TUI
Cable compartment
2xUDCM in tray
PUM
PBPU
MPC
PDP
Bay
MTS SR1 AF Shelf
MIB
32M
CU
OLI
INC
OLI
INC
PUM
PA
PUM
PA
PUM
PBPU
MPC
OSC
TUI
Cable compartment
2xUDCM in tray
PUM
PBPU
MPC
MTS SR1 AF ShelfM
IB32
MC
U
OLI
INC
OLI
INC
PUM
PA
PUM
PA
PUM
PBPU
MPC
OSC
TUI
Cable compartment
2xUDCM in tray
PUM
PBPU
MPC
PDP
Bay
MIB
32
Cable compartment
2xUDCM in tray
MTS SR2 AF Shelf
MC
UO
MD
IFC
OM
20C
3C4
OD
A20
C3C
4
SM
U2
CD
N
OLI
TBN
CO
LITP
NC
PU
MP
AP
UM
PB
PU
MP
C
PU
MP
CP
UM
PB
PU
MP
A
OS
CTU
T
SA
BM
OP
AP
C
MTS SR1 AF Shelf
Cable compartment
OM
20C
1C2
OD
A20
C1C
2
OM
20C
5C6
OD
A20
C5C
6
SM
U2
PDP
Bay
MTS SR1 AF Shelf
MIB
32M
CU
OLI
INC
OLI
INC
PUM
PA
PUM
PA
PUM
PBPU
MPC
OSC
TUI
Cable compartment
2xUDCM in tray
PUM
PBPU
MPC
PDP
Bay
MIB
32
Cable compartment
2xUDCM in tray
MTS SR2 AF Shelf
MC
UO
MD
FIC
OM
20C
3C4
OD
A20
C3C
4
SM
U2
CD
U
OLI
TBN
CO
LITP
NC
PU
MP
AP
UM
PB
PU
MP
C
PU
MP
CP
UM
PB
PU
MP
A
OS
CTU
T
SA
BM
MTS SR1 AF Shelf
Cable compartment
OLI
STB
NC
WB
AU
OLI
STB
NC
OLI
STB
NC
PQ
MC
OP
AP
CS
MU
2
PDP
Bay
MIB
32
Cable compartment
2xUDCM in tray
MTS SR2 AF Shelf
MC
UO
MD
FIC
OM
20C
3C4
OD
A20
C3C
4
SM
U2
CD
U
OLI
TBN
CO
LITP
NC
PU
MP
AP
UM
PB
PU
MP
C
PU
MP
CP
UM
PB
PU
MP
A
OS
CTU
T
SA
BM
MTS SR1 AF Shelf
Cable compartment
OLI
STB
NC
WB
AU
OLI
STB
NC
OLI
STB
NC
PQ
MC
OP
AP
CS
MU
2
Bay
40G Shelf
She
lf C
ontr
olle
r
40G
Lin
e C
ard
40G
Lin
e C
ard
15 U
2 U
DCM Tray
Fiber Tray
DCM Tray
OCU Shelf
MIB
256
MC
U
OC
R10
T/T
EX
LH
OC
R10
T/T
EX
LH
OC
R10
T/T
EX
LH
OC
R10
T/T
EX
LH
OC
R10
T/T
EX
LH
OC
R10
T/T
EX
LH
GMT PDP for OCU SR
Video signal fed to LambdaXtreme® at
Tampa
Video signal displayed at Miami
-40
-30
-20
-10
0
186.5 187 187.5 188 188.5 189
Frequency (THz)
Rela
tive
Inte
nsity
(dB)
100G 10G
Longview, TX
Marshall, TX
Laser 1 X
Y
QPSK mod.
QPSK mod.
Data processing
FEC
coding
Laser 2 X
Y
QPSK mod.
QPSK mod. 40G (CP-QPSK) transmitter
10G (OOK) transmitter
50-GHz Mux
100G Tx
Laser 1
X
Y
90o hybrid 90o hybrid
Filter
o/e
A
/ D
DS
P
Laser 2 X
Y
90o hybrid 90o hybrid
Filter
FE
C d
eco
din
g an
d d
ata
re-a
lignm
ent
o/e
A
/ D
o/e
A
/ D
DS
P
o/e
A
/ D
40G (CP-QPSK) receiver 10G (OOK) receiver
50-GHz Demux
100G Rx
10G test set
Verizon Business long-haul site at Longview, TX Nortel OME 6500 with 100G cards Completed Nov. 2007 – Direct Detection
Completed April 2008 – Coherent Off Line
June 2008 – Coherent Dual Carrier
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 6
Первые внедрения линий связи 100G
• Париж – Франкфурт (4Q2009) • 893km без регенерации • Терминальный интерфейс 10 x
10G
• Париж – Франкфурт (3/2/2011) • Juniper T1600 routers • Транспортное оборудование Ciena • Терминальный интерфейс 100G
Страсбург
Мец
Труа
Париж
Франкфурт
Skipped (Glass-Thru) Line Amplifier
WSS ROADM
Raman Link
Оборудование Ciena
Skipped Site
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 7
Прогноз скорости роста трафика в сетях
Потребность в трафике Скорость роста
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 8
Оценка роста трафика
0
10
20
30
40
2010 2015 2020 2025 2030
Re
qu
ire
d B
ackb
on
e F
ibe
r C
apac
ity
(Tb
/s)
0
10
20
30
40
2010 2015 2020 2025 2030
Re
qu
ire
d M
etro
Fib
er
Cap
acit
y (T
b/s
)
Long Haul Busy Fiber Pair Metro Busy Fiber Pair
Growth rate keeps as in 2017
Growth rate drops to 10% at 2030
Growth rate keeps as in 2017
Growth rate drops to 10% at 2030
Для исселедования были выбраны наиболее загруженные сети связи
References: 1. Cisco, "Cisco Visual Networking Index: Forecast and Methodology, 2012–2017," white paper, May 29, 2013. 2. J.-P. Faure, “How 100G is moving the metro forward,” presented to Workshop “Low Cost 100G Interfaces for Metro Access: Standardized or Proprietary?” at OFC 2014.
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 9
Тестовый канал 21.7Т
ECL
I/Q Modulator
x3WSS
x6
Pol
ariz
atio
n di
vers
e90
oop
tical
hyb
rid
Off
-line
DS
P fo
r C
D, P
MD
, and
N
L co
mpe
nsat
ion
and
sign
al
reco
very
Hig
h S
peed
Dig
ital S
tora
ge
Osc
illos
cope
ECL
Field installed fiber79.1 km
IL: 19 - 22 dB
Phase Modulator
100-GHz AWG
Flexible Band WSS
Dual-Drive MZM
OSAPC
Pattern / Clock Generator
Raman Pumps
WSS Filtering
ECL
ECL
ECL100-GHz
AWGECL
ECL
Phase Modulator
Frequency shifter
Even superchannels
Odd superchannels Optical Tone Generator
Subcarrier Modulation
Subcarrier / Polarization Muxing
I Q
Raman Pumps
Ix
Qx
Iy
Qy
Field installed fiber79.1 kmIL: 21 dB
Automatic Feedback Loop for Subcarrier Equalization
12.5 Gbaud
12.5 GHz
25 GHz
ECL
I/Q Modulator
x3WSS
x6
Pol
ariz
atio
n di
vers
e90
oop
tical
hyb
rid
Off
-line
DS
P fo
r C
D, P
MD
, and
N
L co
mpe
nsat
ion
and
sign
al
reco
very
Hig
h S
peed
Dig
ital S
tora
ge
Osc
illos
cope
ECL
Field installed fiber79.1 km
IL: 19 - 22 dB
Phase Modulator
100-GHz AWG
Flexible Band WSS
Dual-Drive MZM
OSAPC
Pattern / Clock Generator
Raman Pumps
WSS Filtering
ECL
ECL
ECL100-GHz
AWGECL
ECL
Phase Modulator
Frequency shifter
Even superchannels
Odd superchannels Optical Tone Generator
Subcarrier Modulation
Subcarrier / Polarization Muxing
I Q
Raman Pumps
Ix
Qx
Iy
Qy
Field installed fiber79.1 kmIL: 21 dB
Automatic Feedback Loop for Subcarrier Equalization
12.5 Gbaud
12.5 GHz
25 GHz
21.7 Tb/s - расстояние более 1,500 km (QPSK и 8QAM)
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 10
Тестовый канал 41 Tb/s
• Multiple superchannels with amp/phase modulation and polarization multiplexing
• 41 Tb/s на магистральных линия - 1,822 km (PM-8QAM, each superchannel ~ 1Tb/s).
• 54 Tb/s на внутригородских каналах - 634 km (PM-16QAM, each superchannel ~ 1.3 Tb/s)
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 11
Текущие каналы максимальной емкости
на сети
Текущие линии связи обеспечивают пропускную способность 30-40Tb/s для магистральных направлений и 50-60 Tb/s в рамках
городских сетей
10 Pb/skm
40.5 Tb/s for 1822 km
50 Pb/skm
54.2 Tb/s for 634 km
Previous works Previous work
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 12
• Нагрузка растет экспоненциально, но скорость роста снижается
• Потенциал совеременных линий связи 100G (~10 Tb/s) обеспечивает
потребности в пропускной способности вплоть до 2023 года
• Тестовые внедрения показали, что существующая оптоволоконная
инфраструктура способна обеспечить пропускную способность 30-40 Tb/s для магистральных линий связи и 50-60 Tb/s для
внутригородских
• Более актульной задачей является повышение рентабельнсоти за
счет повышения использования сети и снижения стоимости
оборудования
Выводы
Confidential and proprietary materials for authorized Verizon personnel and outside agencies only. Use, disclosure or distribution of this material is not permitted to any unauthorized persons or third parties except by written agreement. 13
Q&A
Recommended