1

CERNET5 Years Experience

Xing Li

xing@cernet.edu.cn

1999-09-21

2

1994

April Suggestion report June NCFC first Internet connection July IP over X.25

– BJ, XA, CD, GZ, WH, NJ, SH, SY

August Feasibility Study November Project started December First Annul Conference December 10 universities connected

3

CERNET Structure

Backbone

Regional

Campus Campus Campus

Regional Regional

Campus

4

CERNET Topology

Shenyang

Xi’an

Chengdu

Shanghai

Beijing

Guangzhou

Nanjing

Wuhan

5

1995

January CHISA published March 64K Backbone July 128K global link August Tsinghua BBS October Second Conference December Finish first phase construction December 108 universities connected

6

www.edu.cn

7

1996

February One of the Four NSP in China March Ninth Five year plan March RFC 1922 April Network management system start to run October Third Annual Conference November 2M global link November 64K DFN link December 64K HARNET link December 200+ universities connected

8

Network Management System

9

1997 January Self funded model February 512K DDN Backbone May edu.cn September 512K satellite link test October 256K link to CHINANET October Fourth Annual Conference November net-compass.com December 300+ universities connected

10

CERNET Topology

Shenyang

Xi’ an

Chengdu

Shanghai

Beijing

Guangzhou

Nanjing

Wuhan

11

Net-Compass - A Chinese Search Enginehttp://compass.net.edu.cn:8010

12

1998

January International fee reduced March Satellite Link project May 256K DI HW link June Join 6Bone July 211 provincial network project October 512K JANET link October Fifth Annual Conference November 4M global link November Cool-audio.com December Ninth five year project - network research December 450+ universities connected

13

6BONE CERNET

14

Cool-Audio - A IP Phone System http://cool-audio.com:8001

15

1999

January Policy based routing January Reduce international fee March 512K DI HW link May 512K DI JP link May Join 6REN June Education Reform and Life-Long Learning System June BJ area 155M POS &155M ATM links June CCERT July Reduce International fee July 2M DDN September BJ-WH-GZ 155M POS

16

CERNET Topology

Shenyang

Xi’ an

Chengdu

Shanghai

Beijing

Guangzhou

Nanjing

Wuhan

17

Policy Based Routing

18

CERNET External Connectivity

SL

DIh

HK

DE

UK CA

MPTGBN

2M128K

512K

64K

64K4M

512K 512K

10M512K2M

CERNETCAS

DIj

G1

etc100M

19

NOC

20

Satellite

21

CCERT

22

CERNET Bandwidth

0

1000

2000

3000

4000

5000

6000

7000

8000

1995 1996 1997 1998 Jun-99

主干网国际联网地区网

KbpsKbps

23

CERNET Campus Networks

050

100150200250300350400450

1995 1996 1997 1998

联网单位

24

CERNET Users

0

50000

100000

150000

200000

250000

300000

350000

400000

1995 1996 1997 1998

联网用户

25

Internet in China

Non-commercial– CERNET

– CSTNET

– GWNET

Commercial– CHINANET

– CHINAGBN

– UNINET

– CNCNET

– ?

26

Internet User Age Distribution

1998.06

0

5

10

15

20

25

30

35

40

<15 16 20－ 21 25－ 26 30－ 31 35－ 36 40－ 41 50－ >50

27

Internet User Job Distribution

0

2

4

6

8

10

12

14

16

18

20

Co

mp

ute

r

Inc.

Stu

de

nt

Re

se

arc

h

Facto

ry

Go

ve

rnm

en

t

Tele

co

Oth

er

Ed

uca

tio

n

Ba

nk

So

cia

l

se

rvic

e

Ho

sp

ita

l

etc

1998.06

28

Current Statistics

CERNET Confederation Members 8 CERNET Members 500+ Provinces connected 31 Cities connected 80+ Users 1M+

29

2000

CERNET 2 – 155M +

NSFCNET – 2.5G

30

Digital Tsinghua

RJ-45 InformationPower Plug Energy

Wireless & Mobile