> 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 > Wedding...) > > ----- 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.
