Network end users to pull down 2 gigabytes a day, continuously?

Petri Helenius pete at
Wed Jan 10 06:23:32 UTC 2007

Sean Donelan wrote:
> 1/2, 1/3, etc the bandwidth for each additional viewer of the same 
> stream?
> The worst case for a multicast stream is the same as the unicast 
> stream, but the unicast stream is always the worst case.
However unicast stream does not require state in the intermediate boxes 
(unless they are intentionally keeping some) while even single receiver 
multicast stream generates state all along the path. This will quite 
quickly limit the number of groups feasible.


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