[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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