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Philosophy of “REAL” IPv6 network operation. Shin Miyakawa NTT Multimedia Communications Laboratories Palo Alto, California, USA IPv6 summit in Osaka Japan / December 2000. Speaker’s position. As an “IPv6 fundamentalist” purposely

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philosophy of real ipv6 network operation

Philosophy of “REAL”IPv6 network operation

Shin Miyakawa

NTT Multimedia Communications Laboratories

Palo Alto, California, USA

IPv6 summit in Osaka Japan / December 2000

speaker s position
Speaker’s position
  • As an “IPv6 fundamentalist” purposely
  • This presentation does not represent company’s views nor opinions
what is the best practice to operate ipv6 network
What is the best practice to operate IPv6 network ?
  • We need to be careful about
    • Available implementation
    • Legacy
    • Standardization
  • We need to think about plans despite unclear situation
    • For now, the next year and few years later
  • We must have concrete philosophy.
philosophy of the design
Philosophy of the design
  • IMHO, the concept of the design of IPv6 is;
    • Big enough address space with simple structure
    • that provides us with
      • Original “End-to-End” environment
      • A lot of benefits from NAT free network
      • Fast processing

It is so simple and functional enough.

philosophy of the operation
Philosophy of the operation
  • Same as design
    • should be just SIMPLE so that it’s
      • IN-EXPENSIVE
      • STABLE
      • SCALABLE
  • Think simple !
ipv6 network operation
IPv6 network operation
  • “Pure IPv6 network + Application Gateway(s) to IPv4 network” is the way to go.
    • Routing protocol, E-mail, DNS etc, etc. for v6 should be on v6.
      • Those for v4 should remain on v4.
    • dual stack operation???... I suspect...
      • Just for edge of the network only where it is needed.
  • We can not do this for now
      • actually we can do this if we use only KAME...
    • but anyway within few years
taking care about legacy
Taking care about legacy
  • Co-existence with IPv4
    • NAT hides usage of private address
    • Application GW hides usage of IPv6
      • SAMETHING! So, use IPv6 wherever NAT is needed!
  • It is painful to add new protocol onto existing network
    • simply avoid as much as you can
    • That is just like “put new wine in old bottles”
    • Create new network and move onto it
    • If you need to access legacy, use AGW
operate isp network and ix
Operate ISP network and IX
  • Logically, we should have separate systems for v4 and v6
    • Note that they can share same hardware and links
  • IPv6 network can simulate IPv4 network but not vice versa
conclusion
Conclusion
  • To design, install and operate IPv6 network, let’s think SIMPLE to achieve
    • IN-EXPENSIVE,
    • STABLE and
    • SCALABLE network
  • Pure IPv6 is the goal. Definitely.
    • It seems strange ? But it is!