All things related to multicast

["Gemmill, Jill" <>]

> do not have a clue on how Cisco even looks at this issue, but 
> I do know
> (esp. based on Eckhart's insight above) that there are some 
> out there whom
> look at multicast as not just a layer-3 challenge, but also layer-2.
> 


I find it refreshing to hear some more of us recognizing that layer-2 issues
are a big challenge; also, the recent examples of multicast content are
significant.  Backbone engineers may engineer away, but scalability issues
won't be field tested until there is a LARGE community of end users.