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Cell Relay Retreat>ION Archive>month:1996-Jul> msg00051



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shortcut routing

  • From: Grenville Armitage <gja@bellcore.com>
  • Date: Tue, 09 Jul 1996 12:25:02 -0400
  • cc: ion@nexen.com, gja@bellcore.com, gja@faline.bellcore.com

David,

>>From Yakov's (Sparse mode PIM over ATM) draft abstract: 
>>"In this document we describe how a combination of NHRP and the sparse
>>mode PIM could be used to establish shortcuts (single IP hop) for
>>the multicast traffic traversing an ATM network." 
>>
>>I have read this document and don't find anything "bogus" about 
>>its association of NHRP and IP multicast.

NHRP + PIM-SM is fine. I am objecting to general comments that
imply NHRP alone. This is a minor point of clarity.

	[..]
>>> The issue for multicast cut-throughs is not whether you can conjecture
>>> a use for them, but whether it is worth the effort to construct and
>>> manage them.
>> 
>>Well, do you think its worth the effort?

No. But for my opinion to be relevant we need convergence
on what we understand to be the 'effort' involved, and I think
we're still a way from that point.

gja