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Cell Relay Retreat>List Archive>month:1996-Jun> msg00016



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TTL decrementing, ATM and CSR

  • From: dhaskin@baynetworks.com (Dimitry Haskin)
  • Date: Mon, 3 Jun 96 09:51:49 EDT
  • >From: Jon Crowcroft <J.Crowcroft@cs.ucl.ac.uk>
  • Cc: ion@nexen.com

> 
> but seriously, at the ATM cell forwarding layer, we don;t need ttl
> type mechanisms to do failsafe loop breaking, since there's a VCI, and
> if a VCI lookup finds an entry that points at te switch port a cell
> arrived by, we ring alarms....
> 

I guess, it depends on how many switches involved in the loop.   I don't
see how would that work if more than two switches are involved in a loop.

dimitry