cpqd event presentation vff published
Post on 15-Nov-2015
32 Views
Preview:
DESCRIPTION
TRANSCRIPT
-
High Speed Optical Communicatios Trends, Opportunities and Challenges
Jose Maranhao Product Manager jmaranhao@padtec.com + 55 19 2104-9655
May 2012
Towards Terabit per Second Optical Networking International Workshop on Trends in Optical Technologies
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 2
Outline
Trends and Opportunities
DWDM Transponders Overview
High Speed Ports on WDM Equipment - Market Trends
Implementation Agreements for 100G and Beyond (OIF)
Challenges
Ultra Long Haul Systems
Trial with 40G and 100G coherent channels over 17 spans of 35dB
Systems Impacts of Coherent and Non-Coherent Channels
Mesh Networks CDC ROADMs
-
3
DWDM Transponders Overview
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 4
OTN DWDM Transponder
OTN Fibre
Channel Ethernet SDH
Client Interfaces
Protocols
DWDM Interface
N client interfaces
GFEC 7% OH OTN Mapper/ Framer
FEC Standards
Capacity
EFEC 7% OH EFEC 25% OH
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
OEO DWDM Module
Capacity
NRZ RZ DPSK DQPSK DP-QPSK Modulation
Format
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 5
OTN DWDM Transponder
OTN 8G FC Ethernet 10GbE
SDH STM-64
Client Interfaces
Protocols
GFEC 7% OH OTN Mapper/ Framer
FEC Standards
Capacity
EFEC 7% OH EFEC 25% OH
DWDM Interface
OEO DWDM Module
Capacity
NRZ RZ DPSK DQPSK DP-QPSK Modulation
Format
4 client interfaces
40G DQPSK Muxponder
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 6
OTN DWDM Transponder
OTN 8G FC Ethernet 10GbE
SDH STM-64
Client Interfaces
Protocols
DWDM Interface
10 client interfaces
100G DP-QPSK Muxponder
GFEC 7% OH OTN Mapper/ Framer
FEC Standards
Capacity
EFEC 7% OH EFEC 25% OH
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
OEO DWDM Module
Capacity
NRZ RZ DPSK DQPSK DP-QPSK Modulation
Format
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 7
OTN DWDM Transponder
OTN OTU4
Fibre Channel
Ethernet 100GbE
SDH Client
Interfaces Protocols
DWDM Interface
1 client interface
GFEC 7% OH OTN Mapper/ Framer
FEC Standards
Capacity
EFEC 7% OH EFEC 25% OH
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
100G DP-QPSK Terminal
OEO DWDM Module
Capacity
NRZ RZ DPSK DQPSK DP-QPSK Modulation
Format
OTU1 2.5 Gbps
OTU2 10 Gbps
OTU3 40 Gbps
OTU4 100 Gbps
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 8
100G Transponder Eco System
Client Interfaces
DWDM Interface
1 client interface
OTN Mapper/ Framer
OEO DWDM Module
100G CFP
OTU4 Mapper/ Framer
OTU4 LH MSA-168 DWDM Module
-
9
High Speed Ports on WDM Equipments Trends and Opportunities
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 10
The entire market for optical equipment reached USD 13.4B in 2011
It includes Transponders, OADM, ROADM, Amplifiers, MUX/DEMUX etc
41% spent on legacy SONET/SDH equipment and 59% on WDM transport
equipment
Forecast indicates a market growth of +6% CAGR between 2010 and 2015
OTN equipment spending will be about 65% of total optical spend by
2015
It includes OTN Transponders (mainly) and OTN Switches
Forecast indicates an OTN market growth of +16% CAGR between 2010 and 2015
Optical Network Market Size and Forecast
Source: Infonetics Research, OTN Hardware Market Outlook, February 2012.
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL
Ports < 10G
Growth in ports below 10G has nearly stopped over the past 3 years
Forecast indicates a market reduction of 8.4% CAGR between 2010 and 2015
11
Ports on WDM Equipment Market Size and Forecast
Sources: Infonetics Research, OTN Hardware Market Outlook, February 2012. OVUM, Network Infrastructure: Optical Components, November 2010.
10G Ports
10G ports continue to show growth as both clients and long reach interfaces
10G WDM transmission is not going out of style yet
Forecast indicates a market growth of 11.4% CAGR between 2010 and 2015
40G Ports
The worldwide market remained flat over 2009 and 2010
Forecast indicates a market growth of 15.9% CAGR between 2010 and 2015
Most 40G deployments remain DQPSK
Forecast indicates strong market growth for DP-QPSK coherent over the next 3 years
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 12
100G Ports
Commercial 100G shipments began in 2011 with a very low volume
Even with many 100G trials being conducted, we do not expect significant volume
until 2013, while costs drop
Forecast indicates a market growth of 136.8% CAGR between 2010 and 2015
Ports on WDM Equipment Market Size and Forecast
Source: Infonetics Research, OTN Hardware Market Outlook, February 2012.
-
13
Implementation Agreements for 100G and Beyond
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 14
Implementation Agreements Why?!
100G
400G
1T
10G (OTU2) DWDM Interface
Basically only two modulation formats have been deployed commercially
Modulation Formats: NRZ (mainly) and RZ
The industry, with fewer options for 10G DWDM interface implementation, was able
to design standardized components
The use of standardized components significantly reduces the investment risk, and
the industry can achieve higher volumes and lower costs quickly
Implementation Agreements were not needed for OTU2 DWDM Interfaces
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 15
Implementation Agreements Why?!
40G (OTU3) DWDM Interface
Many modulation formats were considered because the challenging optical physical
constraints at 40Gbps.
Modulation Formats: ODB, NRZ-DPSK, RZ-DPSK, NRZ-DQPSK, RZ-DQPSK, DP-QPSK etc,.
With so many options of modulation formats, the industry was uncertain on which
one of them would be a better choice (cost x performance).
The lack of an implementation agreement over the standard modulation format had a
negative impact on the 40G DWDM time-to-market.
100G
400G
1T
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 16
Implementation Agreements Why?!
The OIF Forum role in 100G DWDM Interfaces and beyond is to foment an eco
system to accelerate the availability of economically attractive transmissions
solutions for DWDM networks
Component Suppliers
Transceiver Suppliers
System Suppliers
Network Operators
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 17
100G Implementation Agreement
100G OIF Agreements Published
OIF-FD-100G-DWDM-01.0: 100G Ultra Long Haul DWDM Framework Document (June 2009)
OIF-PMQ-TX-01.0: Integrated Polarization Multiplexed Quadrature Modulated Transmitters (March 2010)
OIF-DPC-RX-01.1: Integrated Dual Polarization Intradyne Coherent Receivers (September 2011)
OIF-MSA-100GLH-EM-01.1: 100G Long-Haul DWDM Transmission Module - Electromechanical (September 2011)
OIF-FEC-100G-01.0: 100G Forward Error Correction White Paper (May 2010)
OIF-OFP-01.0: OTN Over Packet Fabric Protocol (OFP) Implementation Agreement (November 2011)
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL
Modulation Format
DP-QPSK (Dual Polarization Quadrature Phase Shift Keying)
DSP
External FEC (SD-FEC)
Working together with the HD-FEC, it can achieves a higher NCG in order to have similar
OSNR results comparing with 10G/40G DWDM signals
Electrical Interface, Form Factor, Power Consumption
The OIF has not defined...
Standard SD-FEC algorithm
Standard algorithms for CD, DGD and non-linear compensation
Optical Layer Performance
18
100G Implementation Agreement
100G OIF Key Agreements
-
19
Coherent 100G/40G Trial over 17 spans of 35dB
Andr Aguiar
Stefan Tanenbaum
Roberto Nakamura
Srgio Timteo
Jos Maranho
Jos Alves (Oi)
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 20
Multiservice Optical Transport Voice Data Video Internet Storage
DWDM Optical Solutions
LightPad i1600G Platform is an optical integrated transport system of high capacity and low latency and can be applied not only in long distance networks (backbone, Long Haul and Ultra Long Haul) but also in metropolitan and storage networks SANs.
LightPad i1600G Platform
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 21
Amplifiers
1
MU
X
DE
MU
X
OA 3 OA OA
Transponders 2.5G / 10G 40G / 100G
Site 1 Site 2 TX RX
Regenerators(3R)
Topologies: P2P, Ring, Mesh.
Reach: Up to 2000 Km without 3R Regens.
DWDM Channels: 4, 8, 40 or 80 channels per fiber.
LightPad i1600G Platform
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 22
Muxponder 40 Gb/s G.709
OTU2 / OTU2e 10 GbE WAN 10 GbE LAN 8G FC STM-64
DWDM Signal OTU3 / OTU3e
14U Chassis Compatible
9U High, 2 slots
4 XFP Client Interfaces
Client Protocols
10GbE LAN
10GbE WAN
STM-64
8G / 10G Fibre Channel
OTU2 / OTU2e
OTU3/OTU3e (40G) Line Interface
DWDM 50GHz Tunable
Coherent Detection
DP-QPSK Modulation Format
CD Tolerance: +/- 55.000 ps/nm
DGD Tolerance: 100 ps
OSNR Tolerance: 13 dB (dB/0.1nm)
Muxponder 40G DP-QPSK Coherent
40G DP-QPSK Coherent
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 23
DWDM Signal OTU4 (OTL 4.10) HD-FEC 7% OH SD-FEC 20% OH
127.156Gb/s
Muxponder 100G DP-QPSK Coerente
14U Chassis Compatible
9U High, 3 slots
10 XFP Client Interfaces
Client Protocols
10GbE LAN
10GbE WAN
STM-64
8G / 10G Fibre Channel
OTU2 / OTU2e
OTU4 Line Interface
DWDM 50GHz Tunable
Coherent Detection
DP-QPSK Modulation Format
Compatible with 1+1 Protection Architectures (Recovery Time < 50msec)
CD Toletance: +/- 40.000 ps/nm
DGD Tolerance: 80 ps
OSNR Tolerance: 14 dB (dB/0.1nm)
Muxponder 100 Gb/s
G.709
OTU2 / OTU2e 10GbE LAN 10GbE WAN 8G FC STM-64
100G DP-QPSK Coherent
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 24
100G DP-QPSK Coherent
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 25
100G DP-QPSK Coherent
Thermal Simulations
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 26
Network Diagram Coherent 100G/40G Trial
BOA ROA LOA ROA LOA
16 x
100 Km
35 dB
100 Km
35 dB
VMUX 80ch DEMUX 80ch
Bank ofCW Lasers
40G DP-QPSKCoherent
40G DP-QPSKCoherent
100G DP-QPSKCoherent
100G DP-QPSKCoherent
17 x 100Km = 1700 Km17 x 35dB = 595 dB
195,60 THz
195,55 THz
195,50 THz
195,45 THz
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 27
Test Setup Coherent 100G/40G Trial
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 28
Results Coherent 100G/40G Trial
VMUX 80ch DEMUX 80ch
Bank ofCW Lasers
40G DP-QPSKCoherent
40G DP-QPSKCoherent
100G DP-QPSKCoherent
100G DP-QPSKCoherent
17 x 100Km = 1700 Km17 x 35dB = 595 dB
195,60 THz
195,55 THz
195,50 THz
195,45 THz
BOA ROA LOA ROA LOA
100 Km
35 dB
100 Km
35 dB
Optical Spectrum after 1700Km
16 x
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 29
Results Coherent 100G/40G Trial
VMUX 80ch DEMUX 80ch
Bank ofCW Lasers
40G DP-QPSKCoherent
40G DP-QPSKCoherent
100G DP-QPSKCoherent
100G DP-QPSKCoherent
17 x 100Km = 1700 Km17 x 35dB = 595 dB
195,60 THz
195,55 THz
195,50 THz
195,45 THz
BOA ROA LOA ROA LOA
100 Km
35 dB
100 Km
35 dB
100 Km
35 dB
GFF
GFF
16 x
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 30
Results Coherent 100G/40G Trial
VMUX 80ch DEMUX 80ch
Bank ofCW Lasers
40G DP-QPSKCoherent
40G DP-QPSKCoherent
100G DP-QPSKCoherent
100G DP-QPSKCoherent
17 x 100Km = 1700 Km17 x 35dB = 595 dB
195,60 THz
195,55 THz
195,50 THz
195,45 THz
BOA ROA LOA ROA LOA
100 Km
35 dB
100 Km
35 dB
100 Km
35 dB
GFF
GFF
16 x
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 31
Results Coherent 100G/40G Trial
VMUX 80ch DEMUX 80ch
Bank ofCW Lasers
40G DP-QPSKCoherent
40G DP-QPSKCoherent
100G DP-QPSKCoherent
100G DP-QPSKCoherent
17 x 100Km = 1700 Km17 x 35dB = 595 dB
195,60 THz
195,55 THz
195,50 THz
195,45 THz
BOA ROA LOA ROA LOA
100 Km
35 dB
100 Km
35 dB
100 Km
35 dB
GFF
GFF
16 xBit Error Free (15h)
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 32
Results Coherent 100G/40G Trial
VMUX 80ch DEMUX 80ch
Bank ofCW Lasers
40G DP-QPSKCoherent
40G DP-QPSKCoherent
100G DP-QPSKCoherent
100G DP-QPSKCoherent
17 x 100Km = 1700 Km17 x 35dB = 595 dB
195,60 THz
195,55 THz
195,50 THz
195,45 THz
BOA ROA LOA ROA LOA
100 Km
35 dB
100 Km
35 dB
100 Km
35 dB
GFF
GFF
16 xBit Error Free (12h)
-
33
System Impacts Coherent and Non-Coherent Channels
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 34
TX
TX
TX
DCF
DCF
RX
RX
RX
80 Km
CD: 1360 ps/nm
At: 20 dB
80 Km
CD: 1360 ps/nm
At: 20 dB
80 Km
CD: 1360 ps/nm
At: 20 dB
BOA LOA LOA POA
System Impacts (10G) Non-Coherent vs. 100G/40G Coherent
10G NRZ channels with EFEC 25% OH
OSNR Tolerance of 11 dB (dB/0.1nm)
CD Tolerance of 1400 ps/nm
For every 80 Km span, a new DCF has to be used
80 Km DCFs has na insetion loss around 5 dB
DCFs are usually positioned between a dual stage EDFA amplifier
Additional EDFA stages and losses from DCF degrades the 10G OSNR along
the network
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 35
TX
TX
TX
RX
RX
RX
80Km
CD: 1360ps/nm
At: 20dB
80Km
CD: 1360ps/nm
At: 20dB
80Km
CD: 1360ps/nm
At: 20dB
BOA LOA LOA POA
100G / 40G DP-QPSK Coherent channels
OSNR Tolerance of 14dB (dB/0.1nm)
CD Tolerance of +/- 40.000 ps/nm
Up to 2.000Km of fiber without DCF
Single stage EDFA amplifiers can be used instead dual stage
No OSNR degradation due to additional EDFA stages and losses from DCFs
System Impacts (10G) Non-Coherent vs. 100G/40G Coherent
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 36
System Impacts (10G) Non-Coherent vs. 100G/40G Coherent
Signal Power: -20 dBm
Noise Power: -60 dBm
OSNR: 40 dB
Signal Power: 0 dBm
Noise Power: -32.20dBm
OSNR Degradation: 7,80dB
G = 20 dB NF = 5 dB
Signal Power: -20 dBm
Noise Power: -60 dBm
OSNR: 40 dB
Signal Power: 0 dBm
Noise Power: -28,65 dBm
OSNR Degradation: 11,35 dB
G = 25 dB NF = 4 dB
DCF IL = 5 dB
Signal Power: -20 dBm
Noise Power: -60 dBm
OSNR: 40 dB
Signal Power: 0 dBm
Noise Power: -31,37 dBm
OSNR Degradation: 8,63 dB
G = 10 dB NF = 6 dB
DCF IL = 5 dB
G = 15 dB NF = 5.5 dB
-
37
Mesh Networks Challenges
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 38
Mesh Network Challenges
Termination ROADM
Peer to Peer Network
Mesh Network
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 39
WSS ROADM
Mesh Network Challenges
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 40
WDM Port 1
WDM Port 2
WDM Port 3
IN
OUT
WDM Port 8
1
WSS 9x1
2
WSS 9x1
3
WSS 9x1
8
WSS 9x1
9
WSS 9x1
IN
OUT
IN
OUT
IN
OUT
WDM Port 9
IN
OUT
MUX
DMX
MUX
DMX
MUX
DMX
MUX
DMX
MUX
DMX
Ad
d/D
rop
1
Ad
d/D
rop
2
Ad
d/D
rop
3
Ad
d/D
rop
9
Splitter 1x9
Splitter 1x9
Splitter 1x9
Splitter 1x9
Splitter 1x9
Ad
d/D
rop
8
Mesh Network Challenges
WSS ROADM
-
Padtec S/A 2012 All Rights Reserved CONFIDENTIAL 41
Mesh Network Challenges
There are many different architectures for the Add/Drop Channels
Directionless ($)
The add/drop channels can be connected to any direction
Colourless and Directionless ($$)
The add/drop channels can be connected to any direction
Any transponder can be configured to any channel
Colourless, Directionless and Contentionless CDC ROADM ($$$$)
The add/drop channels can be connected to any direction
Any transponder can be configured to any channel
Diferent transponders can use the same channel since they are
connected to distinct directions
Designing the right architecture for each node of a mesh network is a current challenge Overall Costs x LSP Blocking Probability
-
Thanks!
padtec.com
-
High Speed Optical Communicatios Trends, Opportunities and Challenges
Jose Maranhao Product Manager jmaranhao@padtec.com + 55 19 2104-9655
May 2012
Towards Terabit per Second Optical Networking International Workshop on Trends in Optical Technologies
top related