CNGI/CERNET2 Updates Jilong Wang, Tsinghua U. 2007-01-23.

CNGI/CERNET2 Updates

Jilong Wang, Tsinghua U.

2007-01-23

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

2006-12

40 GPOS

10GPOS

2.5GPOS

比威 BE12016

华为 NE80

华为 NE5000

Juniper T640

CiscoCRS

Hitachi GR4000

北京－清华

西安武汉

合肥

上海－交大

广州

成都

沈阳

天津

重庆

厦门

南京

兰州

大连

哈尔滨长春

济南

杭州长沙

郑州

北京－北大

北京－北邮

北京－北航

上海－复旦 上海－同济

CNGI -6IX

上海

CNGI -6IX

北京

Killer Application?

Cernet2 BJ POP

Cernet2 SD POP

4over6 GW

CERNET Cooperati on

Cernet2 Backnone

Tel eCom 2M

cernet 2M

Appl y 4o6 on Di stance Educati on

ShanDong U

4over6 GW

Global PlanetLab

Current distribution of 683 nodesnodes over 330 sitessites

SITE

NODEsliversliversliversliver

NODEsliversliversliversliver

slicesliver sliverslicesliver sliverslicesliver sliverslicesliver sliver

User are User are using using SLICESLICE

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

Uni versi t i es connected byprovi nce (Total 183+)

20%

2%

9%

3%

1%1%

5%

5%5%7%

6%

8%

3%

4%

4%

3%

4%3%

7% 北 京 天 津 上 海 重 庆黑龙江吉林省辽宁省甘肃省山东省陕西省河南省江苏省安徽省四川省湖北省湖南省浙江省福建省广东省

Campus Network

CERNET2

IPv6路由器

IPv6或 L2交换机

DNS

NMS

Campus Network

CERNET2

双栈路由器

双栈或 L2交换机

CERNETDNS

NMS

Pure IPv6， L1 Multiplexing

接入学校V6网

接入学校V4网CWDM

CERNET2主干网

CERNET2边界接入路由器

CERNET主干网CWDM

接入学校V6出口路由器

Pure IPv6， L2 Multiplexing

接入学校v6网

接入学校v4网

CERNET2主干网

CERNET2边界接入路由器

CERNET主干网

接入学校v6出口路由器

VLAN TRUNK

二层交换机

二层交换机

Dual Stack ， L3 Multiplexing

接入学校v4/v6网CERNET2主干网

CERNET2边界接入路由器

CERNET主干网

接入学校v4/v6出口路由器

Cisco7609双栈路由器

Dual Stack， 6o4 Tunnel

CERNET主干网

接入学校v4/v6网CERNET2主干网

CERNET2边界接入路由器

接入学校v4/v6出口路由器

7609路由器

int tunnel 604ipv6 address 2001:DA8:A0:1::1/64tunnel source 59.66.129.242tunnel destination 202.38.120.1tunnel mode ipv6ip

ipv6 route 2001:DA8:200::/48 2001:DA8:A0:1::2

CERNET2

IPv6 Traffic of TUNET

IPv4 Traffic of TUNET

Thanks!