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Re: v4 side unmodifiable

On 2007-12-10 10:33, Fred Baker wrote:

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On Dec 7, 2007, at 11:25 AM, Suresh Krishnan wrote:


* Any node that does not have a v6 implementation today
  probably does not want one. So any v4 based changes will
  not be delployed
* Why would a v4 host that has no pain currently try to change
  itself to talk to a v6 host (who has the pain). The pain should
  be where the gain is.


yes...


I think you really have to look carefully at the incentives.
If you're running services in order to make money, and a
significant population of IPv6-only clients appears, you
will be strongly incented to support them. So yes, the
pain should be where the gain is, but that could well be
on the IPv4 side. (I believe that argues for dual stack
services, however, not for fiddling with the legacy stack.)

    Brian