[streaming] Re: WMV & Multicast for Internet

[ScHinZe]

Great information :)
Thanks a lot :)

2005/11/25, Marshall Eubanks <tme at multicasttech.com>:
>
> More correctly, multicast is not provided on _much_ of the
> public Internet. See
>
> http://www.multicasttech.com/status/  for more details on this.
>
> It is commonly used in Enterprise / campus networks. Whether it will
> meet  his needs depends of course on  just what those needs are.
>
> Regards
> Marshall
>
> On Nov 25, 2005, at 11:08 AM, ScHinZe wrote:
>
> > Multicast is not providing on a internet public network...
> > You have to use a private network, like satellite...
> > On internet, you can only provide unicast streaming connections...
> > Or peer to peer, with tools like SopCast ;)
> >
> > 2005/11/25, Marshall Eubanks <tme at multicasttech.com>: Hello;
> >
> > 1.) Multicast addresses are the _destination_ address, not the
> > _source_ address for multicasts. I.e.,
> > to send multicasts, in most systems it suffices to pick UDP and put
> > in a multicast address
> > as the destination address. (My reading of the original post was that
> > he thought that
> > the  multicast address was assigned in some  fashion to the  source,
> > as a secondary
> > source IP address, which it isn't.)
> >
> > 2.) Of the 224/4 multicast range that Viktor mentions below, most has
> > been assigned by IANA for
> > various purposes or are reserved. PLEASE do NOT pick a multicast
> > address at random from
> > the 224.0.0.0-239.255.255.255 range.
> >
> > 3.) The 239/8 range has been assigned for site  and network local
> > addresses, which  need no coordination except
> > with the local network administrator. In other words, the range
> > 239.0.0.0 to 239.255.255.255 is analogous for multicast to the 10 / 8
> > (i.e., 10.0.0.0 to 10.255.255.255) range used for RFC1918 NAT's -
> > just pick one.
> >
> > 4.) If you want to have a globally routable multicast address, the
> > best bet is to use  "GLOP" space
> > in 233/8. This is covered in the multicast faq file
> >
> > http://www.multicasttech.com/faq/
> >
> > Regards
> > Marshall Eubanks
> >
> > On Nov 25, 2005, at 3:54 AM, Viktor Kompaneyets wrote:
> >
> > > Steit Slings wrote:
> > >
> > >> Hai Rafa,
> > >>
> > >> You do not need a multicast IP for wmv. The problem is in your
> > config
> > >> 1) acodec should be mp3 for windows media
> > >> 2) url ahould be the IP number of the network card, now your
> > >> listening on
> > >> the localhost. You sould do url=:1234 to listen on ALL IP's for
> > your
> > >> computer,
> > >> Furthermore with this statement your are not sending out, the
> > >> client needs
> > >> to collect the stream from your server using mms://your.ip.number :
> > >> 1234/
> > >
> > > Partially wrong. For multicast You need to select as mcast-addr
> > > adress in
> > > range 224.0.0.0-239.255.255.255. Adresses in 224.0.0.0-225.0.0.0
> > > can be
> > > assigned only if You have network without routers. Reserved
> > > addresses are
> > > described in RFC, or you can read this article:
> > > http://www.linuxfocus.org/English/January2001/article144.shtml
> > >
> > > So if you stream to mcast you should set as output URL something
> > > like this:
> > > {acodec=mp3, vcodec=WMV2,mux=asf,url=225.0.0.1:1234}
> > >
> > > So on the player you should open stream as: mms://225.0.0.1:1234
> > > Check, if on both sides is mcast-routing is set for network
> > > 224.0.0.0/4 on
> > > the interface, which is envolved in multicast.
> > >
> > >
> > > --
> > > Viktor Kompaneyets
> > > Wnet project manager
> > >
> > > --
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> > > streaming/
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> > lists.html
> > >
> >
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> >
> >
> >
> >
> > --
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>
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