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Cell Relay Retreat>List Archive>month:1996-Nov> msg00083



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Resilience of ATM

  • From: atwell@martegdm.demon.co.uk
  • Date: Thu, 07 Nov 1996 14:57:16 GMT

Does anyone know of any figures for the time to reroute over ATM.  We
have tried this and it has taken around 35 seconds which is no good
for the real-time applications we are intersted in.
The setup we have is two ATM switches and a workstation at either end.
We connected two backbone cables between the ATM switches and timed
how long it took to reroute when one was disconnected.  We are looking
for a figure of around 1 second.
Is this realistic?  If not how is it possible to have redundancy over
ATM for real-time applications?