[Icecast] Unicast or Multicast?

José Luis Artuch artuch at speedy.com.ar
Wed May 4 17:23:12 UTC 2016


Hi,
El mié, 04-05-2016 a las 18:59 +0200, buddylove escribió:
> if you read ahead you'll figure that the infrastructure of the network
> 'en gros' isn't made for it (yet).
> because of this (and not just because I am a fan of) I propose other
> trials with overlay  networks which could (under proper application)
> even be more efficient than the multicast protocol(s) itself.
> 
> Greets and out
> 
> Gee ... .-. . .
sree ?? :(
> 
> On 04.05.2016 18:04, Jordan Erickson wrote:
> > Hi buddylove,
> > 
> > In addition to the links Philipp provided you, here is some more reading
> > which will hopefully help you better understand the difference between
> > multicast and unicast communications:
> > 
> > https://en.wikipedia.org/wiki/Multicast
> > https://en.wikipedia.org/wiki/Unicast
> > 
> > 
> > Cheers,
> > Jordan
> > 
> > 
> > On 05/04/2016 06:39 AM, buddylove wrote:
> >> @Phil
> >> nice text...
> >> just want to mention (or better ask...)
> >> what the difference between a protocol which implements multiple
> >> connections simultaneously and a protocol implementing multiple
> >> connections by connection tracking?
> >>
> >> In the end... its the same...
> >>
> >> On 04.05.2016 10:25, Philipp Schafft wrote:
> >>> Good morning,
> >>>
> >>> On Wed, 2016-05-04 at 00:15 +0200, Fran Delgado wrote:
> >>>> Hi, there!
> >>>> I have a doubt about if this server supports unicast, multicast or
> >>>> both. I was looking for information in the web but I couldn't found
> >>>> anything. Anyone can help me?
> >>>
> >>> Icecast2 is a streaming solution that works using HTTP[0]. (HTTPS is
> >>> also supported using both methods[1].) HTTP uses TCP[2][3] as transport.
> >>> As TCP is a protocol that connects exactly two peers it's implemented
> >>> using unicast.
> >>> Multicast in contrast is used when there are a group of nodes interested
> >>> in the same data. This is normally implemented using UDP in case of IP.
> >>> However multicast support is very limited on the 'open internet'. It
> >>> imposes requirements on the nodes in between to route the traffic
> >>> according to group membership. This is a very high requirement on
> >>> 'common ground' (such as the internet).
> >>>
> >>> Have a nice day. Hope I helped you. And have a nice semester!
> >>>
> >>>
> >>> [0] https://en.wikipedia.org/wiki/HTTP
> >>> [1] RFC2817, RFC2818
> >>> [2] https://en.wikipedia.org/wiki/Transmission_Control_Protocol
> >>> [3] RFC 793
> > _______________________________________________
> > Icecast mailing list
> > Icecast at xiph.org
> > http://lists.xiph.org/mailman/listinfo/icecast
> > 
> 




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