RE: [ssm] Who uses SSM?

"Marc Barisch" <mbarisch@gmx.net> Fri, 19 November 2004 12:35 UTC

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Date: Fri, 19 Nov 2004 13:28:33 +0100 (MET)
From: "Marc Barisch" <mbarisch@gmx.net>
To: Beau Williamson <bwilliam@cisco.com>, ssm@ietf.org
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Subject: RE: [ssm] Who uses SSM?
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Hello Beau,
you said that some costumers of you are already using SSM. Can you provide
some figures? How much is SSM used in percentage compared to SM or others?
This would be very kind of you.

Best regards
Marc 

> At 11/17/2004 01:34 PM, Sundeep Singatwaria wrote:
> 
> >Beau - All routers that can support PIM-SM in hardware can also support 
> >PIM-SSM. We have customers using SSM mainly in the enterprise space.
> 
> Sundeep,
> 
> The problem is not the routers, it's the switches and the hosts that don't
> completely support IGMPv3.
> 
> Beau
> 
> 
> >Sundeep
> >
> >-----Original Message-----
> >From: ssm-bounces@ietf.org 
> >[<mailto:ssm-bounces@ietf.org>mailto:ssm-bounces@ietf.org]
> >Sent: Wednesday, November 17, 2004 7:21 AM
> >To: Marc Barisch; ssm@ietf.org
> >Subject: Re: [ssm] Who uses SSM?
> >
> >At 11/17/2004 07:30 AM, Marc Barisch wrote:
> > >Hi
> > >
> > >I have read about the advantages of PIM-SSM over PIM-SM from a
> technical
> > >point of view.
> > >For a seminar paper at my university, I would like to provide some
> figures
> > >concerning the deployment of the different PIM modes, especially
> regarding
> > >TV broadcast over packet networks.
> > >
> > >Does anybody know of providers using PIM-SSM or are using all PIM-SM?
> > >Are there any commercial deployments regarding PIM-SSM and IPv6.
> > >
> > >Thanks in advance
> > >
> > >Marc
> >
> >Marc,
> >
> >This is a classic case of "The spirit is willing but the flesh (hardware)
> >is weak."
> >
> >The advantages are certainly well known and there is a growing push to
> >build networks that support SSM.  Unfortunately, the support for IGMPv3
> is
> >still not pervasive enough in end-stations and (in some cases) edge
> routers
> >and switches to actually deploy SSM.  This is slowly changing and I
> expect
> >(I hope) that we will soon see greater deployments of SSM for one-to-many
> >multicast applications.
> >
> >Beau Williamson
> >
> >_______________________________________________
> >ssm mailing list
> >ssm@ietf.org
>
><https://www1.ietf.org/mailman/listinfo/ssm>https://www1.ietf.org/mailman/listinfo/ssm
> >
> 

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