Re: SSM, RTCP, SAP

[Jon Crowcroft <J.Crowcroft@cs.ucl.ac.uk>]

what about a GRA solution?

In message <200104192248.PAA15699@lorenzo-u10.cisco.com>, Lorenzo Vicisano ty
ped:

 >>Marshall,
 >>
 >>> > I don't know of anything similar for SAP, but I don't think we should
 >>> > re-invent an ad-hoc routing protocol just for this. We should either
 >>> > use the existing ASM multicast service, if present, or SSM + application
 >>> > modifications (e.g. a set of relays that accept unicast SAP messages and
 >>> > remulticast them. Relays will have all to listen to each other
 >>> > announcements .. ect.. there are scalability concerns but seems feasible).
 >>> > 
 >>> 
 >>> IMHO this should not be a new protocol - it could easily be handled at the ap
 >>>plication layer.
 >>> Running these relay's sounds like a commercial matter to me. I would NOT add 
 >>>any router
 >>> type support for this.
 >>
 >>I had in mind an application-level solution too, no router support:
 >>the router support is ASM, where available.
 >>
 >>	Lorenzo
 >>

 cheers

   jon