CNGI/CERNET2 Updates Jilong Wang, Tsinghua U

CNGI/CERNET2 CNGI China Next Generation Internet CERNET2 the 2nd generation of China Education and Research Network –25 10G/2.5G POP –40G link between Beijing and Tianjin –Pure IPv6 Routers from Juniper, Bitway, Huawei, Hitachi and CISCO Other Keywords: Multicast, 4o6, DVTS, PlanetLab, IPTV

CERNET2 Backbone

Network Management?

beijing guangzhou shanghai

Killer Application?

Global PlanetLab nodessites Current distribution of 683 nodes over 330 sites SITE NODE sliver NODE sliver slice sliver slice sliver slice sliver slice sliver User are using SLICE

6PlanetLab An IPv6-enalbed PlanetLab –One address for each virtual machine –One address for each user –One address for each session – Enabled with IPv6, each virtual machine can have its own 80 port! Marc Fiuczynski

Development of Users

Campus Network CERNET2 IPv6 IPv6 L2 DNS NMS

Campus Network CERNET2 L2 CERNET DNS NMS

Pure IPv6 L1 Multiplexing

Pure IPv6 L2 Multiplexing

Dual Stack L3 Multiplexing

Dual Stack 6o4 Tunnel int tunnel 604 ipv6 address 2001:DA8:A0:1::1/64 tunnel source tunnel destination tunnel mode ipv6ip ipv6 route 2001:DA8:200::/ :DA8:A0:1::2

CERNET2

IPv6 Traffic of TUNET IPv4 Traffic of TUNET

Thanks!