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Re: suites vs. a la carte and IPcomp in IKEv2-05



Paul Koning wrote:
>>>>>>"Dan" == Dan Harkins <dharkins@trpz.com> writes:
>>>>>
> 
>  Dan> It appears that IPcomp was forgotten about when the decision was
>  Dan> made to go to suites. IPcomp was later grafted into IKEv2 such
>  Dan> that it is negotiated with NOTIFY payloads in an a la carte
>  Dan> fashion.
> 
> I thought the plan was to announce (NOT negotiate) the ability to
> decode IPcomp.  You don't need negotiation, because there's no need to
> agree on anything.  All that you need is to announce the ability to
> decompress, and then the sender can compress accordingly if and when
> it chooses.
> 
> IKEv1 handled this by negotiation, but 90% of what it does for IPcomp
> is unnecessary and confusing.

Could you substantiate "90%", detail what is exactly "unnecessary",
and "confusing" to whom?

Thanks,
avram