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Cell Relay Retreat>ION Archive>month:1996-Nov> msg00143



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Taxonomy of Routing/Switching Proposals

  • From: smirnow@fokus.gmd.de (Michael Smirnow)
  • Date: Tue, 19 Nov 1996 17:04:06 +0100
  • Cc: ion@nexen.com, manfredi@engr05.comsys.rockwell.com
  • X-Sun-Charset: US-ASCII

FUJIKAWA Kenji replies to Albert Manfredi:

> >The philosophical difference between MPOA and CSRs, seems to me, is that
> >MPOA attempts to make use of Q.2931/2971 for global IP comms over ATM,
> >while CSRs use ATM signaling only in the local network, sort of in place
> >of other LAN signaling alternatives. (Forgive me, but it seems a little
> >like using Boeing 747s only for puddle-jumper local service, although I
> >do see his motivation.)
> 
> You are right.
> But what is a problem?
> Our goals are implementing IP over ATM,
> and making the best use of the advantages of ATM
> (broad bandwidth, low delay and low jitter).
> To make use of Q.2931 is not a goal.

Can we think about the foloowing marriage of ATM signalling and, say,
IP switching:

IP switching is good for aggregation of IP traffic over 'long distance'
ATM links (PVCs), but these PVCs' layout, nowadays, is hard to change.

These relatively rare changes are, I guess, the best field for a slow
(currently) ATM signalling. (?)

Michael