Live TV from content providers comes in via unicast. Then locally multicast to set tops. On demand and DVR is unicast.
On Jan 25, 2017 11:19 AM, "Simon Westlake" <[email protected]> wrote: > Yeah, there are a bunch of ways if you have cooperation. What I really > meant was if content provider X sets up some kind of online video > streaming, and WISP Y comes along and has a bunch of customers watching > content, it is almost certainly going to be a unicast stream to every > subscriber. > > On 1/25/2017 11:12 AM, Josh Reynolds wrote: > > Not always. I just heard about two cool methods the other day. One uses a > single input switch port and then port mirroring. > > Another method was actually outbound in-rack GPON and letting the hardware > layer itself do the replication to multiple local servers, then from those > outward to geographic distribution nodes. > > On Jan 25, 2017 11:09 AM, "Simon Westlake" <[email protected]> > <[email protected]> wrote: > >> Nope, it is all unicast! Big pipes. >> >> On 1/25/2017 11:03 AM, Chuck McCown wrote: >> >> I have never understood how you can set up a streaming server and deliver >> hundreds or thousands of streams without having our upstream BW be stream >> BW X # of streams.� Each stream has its own session, right?� >> � >> So with folks watching the coronation via CNN streaming, CNN cannot >> possibly have a pipe large enough to give each user its own BW. >> � >> I understand how simple this is with multicast, but I have always >> presumed that multicast does not traverse the public internet?� Hard >> enough to get it to work flawless internally with IPTV.� >> � >> There is probably some kind of UDP broadcast type of thing that I have >> just been unaware of.� >> >> >> -- >> Simon Westlake >> Email: [email protected] >> Phone: (702) 447-1247 >> --------------------------- >> Sonar Software Inc >> The future of ISP billing and OSShttps://sonar.software >> >> > -- > Simon Westlake > Email: [email protected] > Phone: (702) 447-1247 > --------------------------- > Sonar Software Inc > The future of ISP billing and OSShttps://sonar.software > >
