[AG-TECH] IGMPv3, Source Specific Multicast, fully supported in Windows XP
Ivan R. Judson
judson at mcs.anl.gov
Fri Aug 16 08:25:26 CDT 2002
In the case of OM vic, this is already possible, fwiw. The OpenMASH
folks have been exploring ssm for awhile.
--Ivan
..........
Ivan R. Judson .~. http://www.mcs.anl.gov/~judson
Futures Laboratory .~. 630 252 0920
Argonne National Laboratory .~. 630 252 6424 Fax
> -----Original Message-----
> From: owner-ag-tech at mcs.anl.gov
> [mailto:owner-ag-tech at mcs.anl.gov] On Behalf Of Tony Rimovsky
> Sent: Friday, August 16, 2002 8:24 AM
> To: Jay Beavers
> Cc: ag-tech at accessgrid.org
> Subject: Re: [AG-TECH] IGMPv3, Source Specific Multicast,
> fully supported in Windows XP
>
>
> In addition to the routing and forwarding issues that Bill
> mentions, there are application changes. For example, vic
> and rat need to be able to say "i only want traffic from
> <list of sources> in <group> " or "i only want traffic from
> <list of source,group pairs>".
>
>
> On Fri, Aug 16, 2002 at 12:36:03AM -0500, Bill Nickless wrote:
> > At 10:01 PM 8/15/2002 -0700, Jay Beavers wrote:
> >
> > >Since I'm not a router bithead, can anyone give me a heads up if I
> > >should
> > >expect SSM to "just work" between Internet2 nodes? Or
> might there be
> > >complications?
> >
> > Hi Jay,
> >
> > To answer your specific question: the Internet2 Abilene network is
> > ready
> > and capable of running SSM, and has been for well over a year.
> >
> > That being said, the problem with SSM deployment revolves
> around the
> > need
> > for network edge devices like switches and routers to
> support IGMPv3. It's
> > difficult to find Ethernet switches that support IGMPv3,
> and they're not
> > the most economical choices.
> >
> > In a strange inversion of the normal situation, the backbone is
> > capable of
> > SSM service well before the local area networks of the
> connected sites. If
> > you can find a site that supports SSM/IGMPv3 locally, it's
> a pretty good
> > bet that they can do SSM with most all other similar sites.
> >
> > ===
> > Bill Nickless http://www.mcs.anl.gov/people/nickless
> +1 630 252 7390
> > PGP:0E 0F 16 80 C5 B1 69 52 E1 44 1A A5 0E 1B 74 F7
> nickless at mcs.anl.gov
>
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