SSM vs MSDP (was: IP Multicasting)

Thu Jan 4 07:28:11 UTC 2001

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 at mcs.anl.gov
>
>--
>                                  Regards
>                                  Marshall Eubanks
>
>
>
>T.M. Eubanks
>Multicast Technologies, Inc
>10301 Democracy Lane, Suite 410
>Fairfax, Virginia 22030
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