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Re: The Choice: IPv4 Exhaustion or Transition to IPv6

  • From: Valdis . Kletnieks
  • Date: Thu Jun 28 18:03:03 2007

On Thu, 28 Jun 2007 13:08:52 PDT, Bora Akyol said:
> At a very low, hardware centric level, IPv6 would be a lot easier to
> implement if
> 1) The addresses were 64 bits instead of 128 bits.
> 2) The extension headers architecture was completely revamped to be more
> hardware friendly. 

Wow, a blast from the past.  The *current* IPv6 design was selected to a
good extent because it was *easier* to do in hardware than some of the other
contenders.  You think 64 versus 128 is tough - think about the ASIC fun and
games to support *variable length* addresses (not necessarily even a multiple
of 4 bytes, in some of the proposals. Could be 7, could be 11, check the
address length field for details. Yee. Hah).

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