文档介绍：The Need for IPv6 in China
Jianping Wu,Director of
Jilong Wang
2002-10-28
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Content
Requirements for IPv6 In China
Service Providers’ Vision about IPv6
R&D Efforts
2
Resource distribution
3
4
China Estimation
Population in mainland China 1,200,000,000
1 IP per person
72 class A IP addresses
1 hour on line () per person per day
1 MB homepage per person
1200TB
5
User trends
Global user
China user
Need IPv6
China need 72 /8 IP addresses if 1 IP/person
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Telephone user trends in China
Need VoIP
Need Mobile IP
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APNIC IPv4 Address Distribution
0
8
16
24
32
40
JP
CN
KR
AU
TW
HK
IN
TH
MY
SG
Other
Millions
2002
2001
2000
1999
1998
1997
1996
Pre-1996
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Requirements for IPv6
Scalability Challenges
Size(Address Space)
Performance(Routing)
Manageability Challenges
Security
QoS
Mobility
Application Promotions
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Special Opportunities for IPv6 in China
Development of Broadband
Education Application
Relative Small IPv4 Coverage(some easy to change or adapt new)
Encouragement From Government
Olympics 2008
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