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Cell Relay Retreat>List Archive>month:1995-Apr> msg00080



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Re: Bandwidth or Latency?

  • From: c.oneill@trl.oz.au (Chris O'Neill)
  • Date: Fri, 7 Apr 1995 05:40:11 -0500, Fri, 07 Apr 1995 18:02:27 +1000

In article <3lii03$59q@earth.usa.net>, Bill Halverson
<William@Netpros.net> wrote:

>So imagine the brave new world:  on a SVC by SVC basis, the ATM network 
>doesn't know what the round trip latency is for a session

Not true.  ABR (available bit rate) service will acquire latency
information (propagation delay being the most important part) on each SVC.

> [different miles 
>between end points means different latencies] - so how will it allocate 
>buffer space?

Chris O'Neill
Telecom Australia Research Labs