How do you put a TV station on the Mbone? (was: Royal Wedding...)
gbonser at seven.com
Fri Apr 29 14:27:44 CDT 2011
> From: Jay Ashworth
> Sent: Friday, April 29, 2011 10:13 AM
> To: NANOG
> Subject: How do you put a TV station on the Mbone? (was: Royal
> ----- Original Message -----
> > From: "Ryan Malayter"
> > On Apr 28, 11:14 pm, Jay Ashworth wrote:
> > > > (cough)multicast(cough)
> > >
> > > But... but... how do we count the viewers, then?
> > Isn't the real problem with global multicast: "How do we ultimately
> > bill the broadcaster for all that traffic amplification that happened
> > *inside* every other AS?" It seems like you'd have to do per-packet
> > accounting at every router, and coordinate billing/reporting amongst
> > all providers that saw those packets.
> See, now, I expected to hear that objection.
> Internet engineers are prone to try to solve this problem in favor of
> the viewer, and their networks -- with their networks winning in case
> of a push.
Should be easy enough on your subscriber ports to use igmp to see who has subscribed to which groups, shouldn't it? Just log igmp changes and there's your accounting.
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