[openib-general] IETF and Multicast Aliasing

[Dror Goldenberg]

There is an IETF meeting in the beginning of November. I was wondering
whether
it makes sense to bring up the multicast aliasing issue there ? I believe
that without
any patch to current kernels, it'll be pretty hard to support multicast
aliasing which
is different than the Ethernet aliasing. There are two options I'd consider:
1) OpenIB stack, once merged into the kernel, will include the kernel patch
to fix it.
    Existing (gen1) implementations will not be able to interoperate with it
(for multicast).
2) Discuss with IETF a change in the specification to accommodate similar
aliasing
    to the one that is in Ethernet. It might be too late, though.
 
I don't know too deeply how is that supposed to work in other operating
systems.
They may or may not include flexible mechanisms to take care of longer MAC 
address for multicast. However, if some of them also don't support it, then
that 
may be a valid argument for IETF too.
 
Thanks
Dror
 
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