[ofiwg] Multicast issues

[Hefty, Sean]

I added these comments to the requirement doc, except for this one:

> >> 3. Transition of multicast traffic between fabrics.
> >> ----------------------------------------------------------
> >>
> >> The conversion of multicast traffic to and from Ethernet has been
> >> problematic in the past since a mapping needs to occur between different
> >> fabrics. IPoIB requires a subscription on the Ethernet level and on the
> >> Infiniband level which caused race conditions that took a long time to
> get
> >> under control. Semantics for transitioning between fabrics could be
> useful.
> >> Preferably one transaction only should cause a multicast group
> >> subscription.

I can't say that I understand what you're looking for here.

- Sean