From IPv6 view points

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• From IPv6 view points
• IPv4/IPv6 are regarded as two different
  protocols.
• Philosophy Think simple.
• IPv6 chip is one of key devices.
• IPv6 instead of private IPv4
• From IPv4 view points
• Fine grain security
• centralized policy management needed
• Anti-spoofing filtering ?
• Stability and cost
• Routing, Traffic, Management, Address shortage
• Routing scalability? Network Management? Address
  policy? Multihome?
• Those who really need v6 will use v6 first