Broadcast television in an IP world
lists.nanog at monmotha.net
Sat Nov 18 02:54:38 CST 2017
On 11/17/2017 09:45 PM, Jay Hennigan wrote:
>> Does multicast have any future? Netflix, YouTube, et al does not use it.
>> People want instant replay and a catalogue to select from. Except for
>> events, live TV has no advantage so why even try to optimize for it?
> It does for delivering live content. Local programming, news, sports,
> C-SPAN, etc. Canned program content such as TV series, not so much.
> On-demand not at all.
I can think of a few other good uses (semi- to non-topical):
1. Multi-party video conferencing. Audio is applicable, too, but the
bandwidth requirements are low enough you can just unicast it all.
2. Platform upgrades for extremely popular consumer devices. Think a
rolling multicast stream at a few bitrates for e.g. the latest iOS,
Windows, flagship Android handset, etc. upgrades. This might or might
not work better than CDN'ing the bejeezus out of it depending on your
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