[AG-TECH] IGMPv3, Source Specific Multicast, fully supported in Windows XP

Tony Rimovsky tony at ncsa.uiuc.edu
Fri Aug 16 08:24:07 CDT 2002

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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