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Published byNancy Hunter Modified over 9 years ago
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1 China Next Generation Internet CNGI Project Jianping Wu Sept. 25, 2003
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2 Background Internet development in China 70 Millions in June 2003 Important information infrastructures No enough IP addresses Applications need Next Generation Internet Scale, Fast, QOS , Security, Mobile Internet2/GEANT/APAN/GTRN activities Opportunities for information industry in China
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3 Next Generation Internet in China
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4 Dragon TAP in China CERNET NSFCNETCSTNET GEANT (欧洲) APAN (亚太地区) Abilene (美国) DRAGONTAP 10Mbps 45Mbps STARTAP 10 Gbps 2.5Gbps
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5 CNGI project Initiated from 2002 and approved by in 2003 Leaded by National Reform and Development Committee Joint with MST, MOE , CAS , MII , NSFC , CAE,… Main contents CNGI Backbone: nation wide,30 GigaPOPs and 300 campus networks,international links Network technology and applications Delivery to information industry All NSPs will joint this project CERNET, China telecom , Unicom , Netcom/CSTNET , China Mobile, Rail com
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6 CNGI Backbone Goals Network Architecture Backbone : Native IPv6 ; IPv6 over DWDM User Networks : Native IPv6 Application ; v4 over v6 ; High Performance NAT Addresses : Backbone/32 ; User/48 DNS : Distributed Native IPv6 DNS Routing Policy: Complexity enough Regional Network and User Network Interconnection in China and to outside of China : One GigaPoP in Beijing and Anothers Network operation and management Network and Information Security Network Applications
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7 核心网 接入网 /CPN 主干网 1 主干网 2 主干网 3 城域网 国际下一代互联网 接入网 /CPN 城域网 GigaPoP 接入网 /CPN 国际交换中心 2 国际交换中心 1
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8 CERNET2 核心节点 网络中心 用户网 其他 CNGI 主干网 国际下一代互联网 国内 / 国际 互联中心 核心节点 CERNET2 主干网 用户接入网
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9 CERNET2 User Networks
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10 CERNET2 Backbone
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11 CERNET2 and Dragon TAP APAN (亚太地区) GEANT (欧洲) Abilene (美国) CNGI Backbone CERNET2, … DRAGONTAP 10M~155Mbps BGP4+ 10M~155Mbps BGP4+ 45M~155Mbps BGP4+
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