IPv6 ?????

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IPv6 ?????
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Outline

• Why need IPv6
• IPv6/IPv4 Transition
• IPv4/IPv6 Dual Stack Schemes
• IPv4/IPv6 Tunnel Mechanism
• IPv6 Tunnel Broker
• Using Tunnel Broker
• Conclusion

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Why need IPv6

• IPv6 ?????????
• ??????????????
• ????????????
• ???????
• Hub . Switch Hub?
• Router . Layer-3 Switch?
• Layer-3 ??????

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Why need IPv6

• IPv4???
• ??????
• ?????
• ?????
• IPv6???
• ??128bit???
• ???????
• ?????????(AH?ESP)
• ????????(Top /Next Level /Site Level AI)
• ??????

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IPv6/IPv4 Transition

• ???????IPv4 to IPv6
• ????????
• IPv4/IPv6 Dual Stack Schemes
• IPv4/IPv6 Tunnel Mechanism
• ??????

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IPv4/IPv6 Dual Stack Schemes

• ??????(Network Layer)?,????IPv6 ??
• IPv4 ?IPv6 ?????????IP ??,???????????????????

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IPv4/IPv6 Tunnel Mechanism

• IPv4 ???????IPv6 ??????IPv6 ??,???IPv6
  ?????IPv4???,??Border router????IPv6 header??

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IPv4/IPv6 Tunnel Mechanism

• ???????,??IPv4 ??????

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Using IPv6 Tunnel Broker

• ?IPv6 ?????????????,??IPv4 ???IPv6 ??????????
• Step 1 ????(??IPv6 ???)??????????????,??????IPv4
  ???
• Step 2 ???????????????(IPv6 ?????IPv4
  ??),??????????script,??????????Script
  ???IPv6??????????????/???(Tunnel
  Router/Server)?????,????????Script
  ????,???????????

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Using IPv6 Tunnel Broker

• Step 3 ???????????/????????????????
• Step 4 ???????,?????????IPv6 ????????????????IPv4
  ????IPv6 ??,???IPv4 ??????????????/????,IPv4
  ??????,????IPv6 ??,???IPv6 ??????

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Using IPv6 Tunnel Broker
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IPv6 Tunnel Broker

• IPv6 Tunnel Broker???(in Win XP)
• ?http//ns.ncu.tb.edu.tw/???????
• http//140.123.19.204/

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IPv6 Tunnel Broker

• ???????,??????

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IPv6 Tunnel Broker

• ??IP address,???????????

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IPv6 Tunnel Broker

• ??IPv6 ???????

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IPv6 Tunnel Broker

• ??IPv6 ???script -act.bat

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IPv6 Tunnel Broker

• ???http//www.ipv6.org.tw
• ????????IPv6 tunnel broker

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Conclusion

• IPv6 is ready. Are you ready?