may. 2006 tnc-2006 optical networking research in china jian wu beijing university of posts and...
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May. 2006 TNC-2006
Optical Networking Research in China
Jian Wu
Beijing University of Posts and Telecommunications
May. 2006 TNC-2006
Outline
Introduction3TNETOBS network Future Research Activities & PlansConclusion
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Optical Network in China(mainland)
The Optical Cable Installed: 4 Million km
The Optical Cable Installed: 4 Million km
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Technologies in Current Telecommunication
Network
Optical Fiber
SDH WDM
Internet
PDH
Telephony Service Network
Transport Network
Fiber cable
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WDM Network and SDH Network
Long Haul: 80/160×10Gb/s DWDM
Regional Network: 40×10Gb/s DWDM
Metro Network: 10Gb/s SDH Ring and 40×10Gb/s DWDM
Backbone Transport Network
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National Supporting Projects
“863”: National High-tech R&D Program
“973”: National Fundamental Research Program
NSFC: National Natural Science Foundation of China
5-year Plan Founding
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3TNET(China High-Performance Broadband
Information Network Testbed)
2002 - 2005
Tbps Transmission
Tbps Switch
Tbps Router
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3TNET Field Trial in Yangtze River Delta
The Yangtse River Delta is a region in Shanghai, Jiangsu, and Zhejiang Province.
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ParticipantsCarriers: China Telecom (Shanghai)
Institutions: RITT,MII and ST
Manufacturers: ZTE, WRI (Fiberhome), Huawei and Datang
Universities: SJTU, Tsinghua, BUPT, ESTU, Peking, ZJU and SEU
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3TNET
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NanjingNanjingShanghaiShanghai HangzhouHangzhou
SiTV
B-Star
ZJU
SH-Telecom
SEU
SJTU
ASON Topology In Yangtze River Delta
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3TNET
Transmission: Shanghai-Nanjing(~300km), Shanghai-Hangzhou(~250km),
80*40Gb/s, Raman amplification, PMD control,
Modulation format,
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3TNET
ASON Switch: GMPLS based control plane, Non-blocking 320 to 720 Gbps, Physical interfaces: SDH (STM-N) and Ethernet 1G and 10G, Multicasting
IP Router: Tbps, IPv4/v6
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3TNET
User Bandwidth: 46M
1 x HDTV(~25M), 2 x SDTV(~7M), Plus Internet access
Users ~20000
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OBS Network Testbed
Since 2002
BUPT, SJTU and WRI Basic research Prototype equipment Testbed
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OBS testbed (Phase 1)
Jun 2002 - Oct 2004
Research on Signaling scheme Assembly algorithm Scheduling algorithm QoS provision and contention resolution Develop a star OBS network testbed
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Prototype of Edge Node
•8*1.25Gbps•GE/FE interface
Edge Node
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Prototype of Core Node
Switching matrix size up to 32*32Switching speed<50ns
Control Unit
OXC
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OBS testbed (Phase 2)
Jan 2005 - Apr 2006
Research on Combination of MPLS and OBS Develop a mesh LOBS network testbed Grid Application International collaboration (Essex Univ., KDDI)
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Prototype of OBS Phase(2)
4*4,high speed driver High voltage impulse: Vp-p =400v Switch Rate > 100KHz Rising_edge and falling_edge =60ns
Edge node
2.5Gbps Random burst length Expand to 10Gbps Core node
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Experimental result of OBS Testbed Edge node: 1.25Gbps burst-mode transceiver
on-off time for data burst
adjacent burst
eye diagram for data burst
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Experiment result of OBS Testbed
Switching window of optical switching matrix
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Experimental Result – data transmission
Max download speed： 41415.7KB/s
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Experimental result: multi-services
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Next Generation Optical Network and Services
FeaturesFeaturesService-oriented, Flexibility, Dynamic, Service-oriented, Flexibility, Dynamic, Scalability, End to End Qos, Mobility, More Scalability, End to End Qos, Mobility, More Efficiency, …Efficiency, …
IP Based ServicesIP Based ServicesStream Media (IPTV, Online game, VOD, Stream Media (IPTV, Online game, VOD, Video Conference, e-learning,…), Voice, Video Conference, e-learning,…), Voice, SAN, … SAN, …
Creative Technologies, Creative Creative Technologies, Creative Architecture for Various New ServicesArchitecture for Various New Services
National 11th 5-year Research Plan are under National 11th 5-year Research Plan are under discussiondiscussion
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Architecture of Dynamic, Flexibility Optical Network
Service-oriented Application Environment
Dynamic, Flexibility Architecture for Optical Network
Controllable and manageable Resource Allocation Mechanism
Middleware Qos Issue in Optical Network
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Photonic Grid
Architecture for Photonic Grid, …Control Mechanism, Signaling
Protocol, Routing Technology, …Resource Allocation and Self
Organized, …MPLS Control PlaneGrid Interface, …
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Optical Switching and Interconnecting
Optical Packet/Burst Switching
Optical Performance Monitoring
Optical Signal Processing MulticastingTunable Components for
Switching
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Conclusions
Advanced technology based and Services oriented National Backbone Network
Extensive Study on Next Generation Optical Network and Services in China
Collaboration Between Academy and Industry
National 11th 5-year Research Plan will be launched soon
