On Tue, 3 Sep 2019 at 10:16, Paul Tweedy <[email protected]> wrote: > > > > On 3 Sep 2019, at 09:48, James Bensley <[email protected]> wrote: > > > > It's interesting that the request came from someone from within the > > Beeb. On their own website they allude that unless you're a customer > > of one of the listed ISPs, you probably aren't getting a service > > delivered via multicast (although, I'm not sure how up to date this > > page is): http://www.bbc.co.uk/multicast/tv/home.shtml > > Very Not up-to-date :) In fact, we should have it edited to make clear it > documents a technical trial from many years ago. I’ll see where it’s hosted.. > > Just to echo the point about linear, as-live TV not going away - live events > (Sport, News and others) are huge, getting bigger each year, and cause us, > the provider networks and the CDNs the greatest challenges in terms of > capacity and stability each year. > > The Beeb does a lot of multicast intra-network, for moving contribution AV > around the business, and that’s well understood and works nicely - it helps > if you use the same kit within the domain. > > The great hope of inter-domain multicast does seem to be dead, but the amount > of work going into making HTTP-esque delivery of live media work at scale > within the industry is considerable, and that has the benefit of sharing a > *lot* of existing technology, processes and domain knowledge with the > mostly-proven on-demand HLS/DASH/CMAF world. Offloading traffic as near as > possible to the consumer edge of the network - but achieving that at the > application rather than networking layers - is the ongoing trend.
Interesting, thanks for confirming. I for one will raise my hand and say I'd like to see a UKNOF talk on multicast within a content producer (not a service provider network). Cheers, James.
