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Cell Relay Retreat>List Archive>month:1995-Apr> msg00000



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Re: How to distinguish ABR traffic from other guaranteed traffic?

  • From: fgoldstein@bbn.com (Fred R. Goldstein)
  • Date: Sat, 1 Apr 1995 06:02:26 -0500, 29 Mar 95 03:05:17 GMT

In article <1995Mar8.082822.1817@uxmail.ust.hk> eewales@uxmail.ust.hk (WalesLeTissier) writes:

>To my understanding, ABR traffic is usually served after thosr
>guaranteed traffic, such as voice or real time video have been
>served. My question is how does the ATM switch know the cells 
>are using ABr service? 

Same way the switch distinguishes other classes of service.  It's a
per-call parameter of the virtual connection, and thus determined
from the VPI/VCI.

___
Fred R. Goldstein   k1io    fgoldstein@bbn.com
Bolt Beranek & Newman Inc., Cambridge MA  USA   +1 617 873 3850
Opinions are mine alone; sharing requires permission.