Re: Issue 29: AD REVIEW: IPv6 Node Requirements

[Jari Arkko <jari.arkko@kolumbus.fi>]

Brian Haberman wrote:

> So, I think I answered this already in an earlier message, but let
> me clarify something here.  The IP stack layer really does not know
> what kinds of multicast applications are going to be run on it.
> A user could arbitrarily install an SSM application just as easily
> as an ASM application, if the stack supports multicast at all.
>
> With that in mind, if a stack developer knows for sure that his stack
> couldn't be used for a certain flavor of multicast application (SSM
> or ASM), then he can use the current guidelines in the node reqs to
> determine whether MLDv1 or MLDv2 should be supported.
>
> In all other cases, I would prefer MLDv2 for flexibility reasons.
>
> So, if I back off my answer in the last post a little, perhaps the
> wording for any-source should be something like "SHOULD support MLDv2
> but MAY support MLDv1".
With your explanation of the stack - app issues, I think this
would make sense. If others agree, and suitable text can be
crafted, of course. Anyway, this is not a crucial issue for
me but I just wanted to understand the implications.

--Jari





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