[33214] in North American Network Operators' Group
Re: SSM vs MSDP (was: IP Multicasting)
daemon@ATHENA.MIT.EDU (Hank Nussbacher)
Thu Jan 4 02:32:12 2001
Message-Id: <4.3.2.7.2.20010104092535.00a9b100@max.ibm.net.il>
Date: Thu, 04 Jan 2001 09:28:11 +0200
To: tme@21rst-century.com, Bill Nickless <nickless@mcs.anl.gov>,
Bill Fenner <fenner@research.att.com>
From: Hank Nussbacher <hank@att.net.il>
Cc: nanog@merit.edu
In-Reply-To: <3A5347D3.C49C1288@21rst-century.com>
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Errors-To: owner-nanog-outgoing@merit.edu
At 10:40 03/01/01 -0500, Marshall Eubanks wrote:
>You left out that SAP/SDR will not support SSM. There has been a big
>argument about this in the SSM
>IETF WG. The consensus is that source info will be communicated out of
>band (i.e., web pages).
>As usual, I take the minority viewpoint. I think that SSM will NEED
>something like SAP.
>Just think about doing a beacon project where beacons can join at will -
>how would you know in SSM ?
>I think that there sorts of consideration will lead to a re-inventing of
>the SAP wheel in some scalable fashion.
IPmc requires many debugging tools, builtin to the native router, to make
it all work. Without sap/sdr capabilities, SSM will never take
off. Having all the web pages out there are nice extras, but do not
replace the needed builtin tools.
-Hank
> >
> > Telling your customers to use M-BGP/PIM-SM/SSM *IN ADDITION TO*
> > M-BGP/PIM-SM/MSDP will indeed help reduce the amount of global MSDP state
> > carried in routers over the long term, and that's arguably a very good
> > thing. I look forward to ubiquitous support of IGMPv3 in lots of vendors
> > products--whether they be layer 2, layer 3, software, or whatever.
> > ===
> > 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@mcs.anl.gov
>
>--
> Regards
> Marshall Eubanks
>
>
>
>T.M. Eubanks
>Multicast Technologies, Inc
>10301 Democracy Lane, Suite 410
>Fairfax, Virginia 22030
>Phone : 703-293-9624
>Fax : 703-293-9609
>e-mail : tme@on-the-i.com tme@multicasttech.com
>
>http://www.on-the-i.com http://www.buzzwaves.com
