[38687] in North American Network Operators' Group

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Re: Multicast Traffic on Backbones

daemon@ATHENA.MIT.EDU (BrandonButterworth)
Sun Jun 10 16:47:28 2001

From: brandon@rd.bbc.co.uk (BrandonButterworth)
Date: Sun, 10 Jun 2001 21:46:57 +0100 (BST)
Message-Id: <18462.200106102046@sunf10.rd.bbc.co.uk>
To: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu


> 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

> On the one
> hand, content providers aren't offering 24x7 multicast feeds because there
> isn't enough multicast access at the end-points.

We offer it regardless but there's not many can use it

> Apart from 24x7 broadcast there isn't an obvious killer app.

And there's reasonable argument over making the intenet = tv

brandon

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