Re: [Ietf-behave] Conflicting ICMP payload translation reqs:MUSTvs.SHOULD

[Saikat Guha <saikat@xxxxxxxxxxxxxx>]

On Wed, 2006-10-25 at 11:42 -0700, Christian Huitema wrote:
> 1) Specify how the NAT will translate ICMP packets, either incoming or
> outgoing: this belongs logically to the ICMP specification.
> 
> 2) Specify how the translation state for another protocol is affected by
> the reception of UDP packets: this belongs logically in the
> specification of that protocol.
> 
> For example, the reaction of TCP to "soft errors" or "hard errors"
> belongs in TCP, not in ICMP.

I second this argument, which incidentally, was what I understood to be
the outcome of IETF65:
- BEHAVE-ICMP should be responsible for ONLY ICMP requests and responses
- BEHAVE-[proto] should be responsible for ICMP messages earned from the
  network in response to [proto] packets.

-- 
Saikat

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