North American Network Operators Group
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Re: Real Media and M-Bone feeds
- From: Phillip Vandry
- Date: Tue Oct 05 23:27:04 1999
> >Easily. It is called cacheing. Multicasting provides exactly the
> >same bandwidth savings as cacheing with cache retention time set to zero.
>
> With the constraint that if you want to provide exactly the same
> bandwidth savings, you have to have a cache at every hop. Without a
> cache at every hop, there still can be significant savings, but not
> quite equal to the bandwidth savings of multicast at every hop.
> (Though, admittedly, multicast capable routers aren't available at every
> hop either).
Except that you probably don't care about every hop either (who cares if
the 100Mbps to my access server with 4 T1's on it is partially wasted?).
-Phil
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