Migration path from CERNET to CERNET2. /CPN 1 2 N /CPN GigaPoP /CPN 2 1 Backbone structure of CNGI.
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Migration path from Migration path from CERNET to CERNET2 CERNET to CERNET2
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Transcript of Migration path from CERNET to CERNET2. /CPN 1 2 N /CPN GigaPoP /CPN 2 1 Backbone structure of CNGI.
Migration path fromMigration path fromCERNET to CERNET2CERNET to CERNET2
核心网
接入网 /CPN
接入网 /CPN
主干网 1
主干网 2
主干网 N
城域网
国际下一代互联网
接入网 /CPN 接入网 /CPN
城域网GigaPoP
GigaPoP GigaPoP
GigaPoP
GigaPoP
GigaPoP
GigaPoP
GigaPoP GigaPoP
接入网 /CPN
国际交换中心 2国际交换中心 1
Backbone structure of CNGIBackbone structure of CNGI
structure of CERNET2structure of CERNET2
Gigapop
NOC
End network
End network
End network
End network
other CNGI backbone
International Next Generation Research
Networks
IX
Gigapop
CERNET2 backbone
Access Network
User network User network
IPv4 user network
CERNET2 IPv6 backbone
IPv4User network
GE
10GE
CERNET IPv4 backbone
CWDM
CWDM
IPv6 user network
GE
GEGE
IPv6 user network
tunnel
IPv6 user network
tunnel
Application available for v6Application available for v6
• DNSDNS• FTPFTP• WWWWWW• TELNETTELNET• StreamingStreaming• BBSBBS• NTPNTP• ““GO” gameGO” game
• And othersAnd others
Pro & ConPro & Con
• High bandwidth – we do this way at this stageHigh bandwidth – we do this way at this stage• QoS - QoS - • Security – Source address authorizationSecurity – Source address authorization• E2E – no NAT hopefullyE2E – no NAT hopefully• Connectivity to v4 world - yesConnectivity to v4 world - yes• More applications – still need time to proveMore applications – still need time to prove• Free of charge - noFree of charge - no• User number growth rate – we will seeUser number growth rate – we will see
