[38691] in North American Network Operators' Group

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Re: Multicast Traffic on Backbones

daemon@ATHENA.MIT.EDU (Masataka Ohta)
Sun Jun 10 20:49:14 2001

From: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
Message-Id: <200106110038.JAA06548@necom830.hpcl.titech.ac.jp>
In-Reply-To: <18462.200106102046@sunf10.rd.bbc.co.uk> from BrandonButterworth
 at "Jun 10, 2001 09:46:57 pm"
To: BrandonButterworth <brandon@rd.bbc.co.uk>
Date: Mon, 11 Jun 2001 09:38:01 +0859 ()
Cc: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu


Brandon;

> > HOWEVER, most of the 24x7 media sites (CNN, etc.) are doing on-demand
> > video, rather than streaming a constant feed.
> 
> 1) rights
> 
> 2) unicast doesn't scale to the sort of audiences of radio/tv 
>    broadcasts and if you try it becomes financially unviable too
>    (even with people attempting to fake multicast, e.g. Akamai)
> 
> One way to manage both is to use the VCR model

The straight forward model to support the audiences of raiod/tv
by the Internet is to integrate the Internet with broadcasting
by sending IP (multicast) packet over radio wave.

							Masataka Ohta

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