IPv6 Development Status in China

Xing Li

2003-02-26

Telephone Users

Internet population

• Global rank 655M %

• US 1

• CN 2 59.10M 4.6%

China Internet Estimation

• Population in mainland China 1,200,000,000– 1 IP per person

• 72 class A IP addresses

– 1 hour on line (28.8kbps) per person per day• 1.68T/s

– 1 MB homepage per person• 1200TB

Resource distribution

IPv6 Allocation By Country

Single Allocation25

JP39

US22

DE13

FI4

SE4

FR3

IT3

NL3

AT2

IE2

KR13

UK7

MX6

EU5

AU3

NL, BE, BR, CA, CN, CNCZ, DK, GR, HK, HU, IELT, MY, NO, PT, SG, ES

IPv6 Prefix Distribution

Jan 2003

IPv6 Address

• IPv6 in China– 6bone pTLA in China:

» CERNET (3ffe:3200::/24)

» BII (3ffe:81b0::/28)» CSTNET (3ffe:8330::/28)

– RIR-assigned sub-TLA in China:

» CERNET-CN-20000426 (2001:250::/32)

» BIIV6-CN-20020704 (2001:3f8::/32)

IPv6 Efforts

• 1998, CERNET-IPv6 Testbed• 1999, IPv6 demo system funded by MST 863 • 1999, CERNET-Nokia joint IPv6 project• 2000, NSFCNET funded by NSFC• 2001, IPv6 Router funded by MST 863 • 2001, IPv6 MAN demo system funded by CAS• 2002, IPv6-CJ funded by Chinese government and

Japanese government

Testbeds

• CERNET IPv6

• CERNET-Nokia IPv6 project

• NSFCNET double stack

• 6TNet - IPv6 Telecom Trial Network

• 863 IPv6 testbed

• CN-JP IPv6 project

CERNET

徐闻

长春

哈尔滨

乌鲁木齐

拉萨

西宁兰州银川

呼和浩特

台北

沈阳

南昌

西安 徐州

武汉 合肥

郑州

石家庄

北京

南宁

广州

福州

杭州上海

南京

天津

贵阳

海口三亚

湛江

无锡

大连

太原 济南 烟台

成都

长沙

重庆 黄梅

九江

昆明

青岛

汕头

唐山

汉中

宜昌

珠海深圳惠州

柳州百色 厦门

主干网地区网

GigaPopPop

桂林

深圳

CERNET IPv6 Testbed

pTLA in 6bone3FFE:3200::/24

sTLA from APNIC2001:250::/32

CERNET IPv6 Testbed (phase 1&2)

BG0

R1R0

NO0NW0

SW0

SO0

CE0

EN0

ES0 NE0

NO1 NW1

SW1

SO1

CE1

EN1

ES1NE1

TunnelStatic

6BONE 华北

IGP

华北

东北

西北

华南

西南

华中

华东北

华东南

西北

西南

华南

华中

华东北

华东南

东北

正式使用 学生实验

StaticBGP

BG1

CERNET-Nokia IPv6 Testbed

iface4

iface 2

BUPT

Tsinghua

University

Beijing University of Post and Telecommunication

Peking University

Fiber & Microwave

Fiber

iface 7

iface 8

iface 6iface 5

iface 1 iface 3

Fiber

Nokia R&D

Center ChinaTHU2THU1

AS 4538

AS 9403BGW0

BGW1

2001:250:0:ffff::1

3ffe:3200::2

WWWNative

WWWDStack

FTPServer

GameServer

NMSServer

TB Server

WWWDStack

FTPServer

DNSServer

Campus Network

DNS

DStack

PKURouter

Name Server

(IPv6)

Application

(IPv6)

FreeBsd v4

(202.112.41.46)(3ffe:3201:1401:1:280:c8ff:fe4d:db39)

(202.112.41.45)(3ffe:3201:1401:1::/64)

qhupku

casbuaa

bupt

nsfc

DRAGONTAP

CERNET

CSTNET

NSFCNET Double Stack Testbed

CERNET IPv6

6TNet

MII R&D Center

Trans R&D Center

BII

tunnel to 6Bone

cisco, juniper, nokia, Fijisu, Hitach, NEC, 6WIND, 佳讯飞鸿

qhuqhu

pkupku

cascas

buptbupt

Global IPv6Global IPv6

863 IPv6 Testbed

CoreRouter

CoreRouter

CoreRouter

CoreRouter

CoreRouter

CoreRouter

borderRouter

EdgeRouter

EdgeRouter

EdgeRouter

EdgeRouter

EdgeRouter

2.5G POS

WAN

Guangzhou

Shanghai

Beijing

GELAN

GELAN

GELAN

GELAN

GELAN

GEMAN

To Japan

User Network (IPv6)

MAN/LAN

MAN/LAN

IPv6-CJ Testbed

R&D

• Routing analysis

• Tunnel Broker/Agent/Peers

• Mobility

• Security

Route

• IPv6 Growth– Route entries:

• Since Aug 2001: +100; ~40% (IPv4: +17k; ~17%)

Picture source: http://bgpview.6test.edu.cn/

© CERNET IPv6 Testbed, 2002

TBS architecture

Tunnel Broker

Tunnel Server

Tunnel Server

DNS Server DB ServerClient’s

Host

Client’s Router

IPv6 Network

Client’s IPv6

subnet IPv6 Network

Administrator’s Host

Vendor

Challenges • Scalability

– Routing

• Functionality– High performance

– Mobility

– Multicast

– Security

• Service– Smart Device World

– Charging Model

• Transition

Telephone user trends in China

0

50

100

150

200

250

300

1996 1997 1998 1999 2000 2001

user

(Mill

ion)

Fixed

Mobile

Need VoIP

Need Mobile IP

Internet User trends

0

500

1000

1500

2000

2500

Use

rs (

Mill

ions

)

Global Internet user

China user

Need IPv6

China need 72 /8 IP addresses if 1 IP/person