nanog mailing list archives

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


From: Valdis.Kletnieks () vt edu
Date: Tue, 09 Jan 2007 22:02:26 -0500

On Tue, 09 Jan 2007 11:29:32 EST, Gian Constantine said:
If you considered my previous posts, you would know I agree streaming  
is scary on a large scale, but unicast streaming is what I reference.  
Multicast streaming is the real solution. Ultimately, a global  
multicast network is the only way to deliver these services to a  
large market.

Multicast streaming may be a big win when you're only streaming the top
5 or 10 networks (for some value of 5 or 10).  What's the performance
characteristics if you have 300K customers, and at any given time, 10%
are watching something from the "long tail" - what's the difference between
handling 30K unicast streams, and 30K multicast streams that each have only
one or at most 2-3 viewers?

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