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Cell Relay Retreat>List Archive>month:1998-Mar> msg00251



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Re: Qos Prioritization

  • From: Geert Goossens <gagoosse@info.vub.ac.be>
  • Date: Fri, 20 Mar 1998 14:43:15 +0100

Patrick Hurley wrote:
> 
> What is the standard way in which a switch deals with prioritization of
> traffic based upon whether it is configured as CBR, VBR-rt or VBR-nrt?
> If a Public ATM provider's switch that I purchase a VBR-rt VPC from, (to
> run voice and video over), also has a number of CBR connections, how
> will the switch treat my VBR-rt service under congestion or reroutes in
> comparison to its services that are CBR?  Will the VBR-rt service suffer
> over CBR?
> --
> Patrick Hurley
> 
> --
> Life consists in what a
> man is thinking of all day.
>   -Ralph Waldo Emerson
The switch uses the following priorities:
	CBR
	VBR-rt
	VBR-nrt
	UBR
	ABR
as defined in the Traffic Management Specification version 4
(af-tm-0056_000), April 1996 by the ATM Forum.

Geert.
-- 
 Geert Goossens   (gagoosse@info.vub.ac.be)  
 Digital Telecom Department INFO/TW          
 Vrije Universiteit Brussel                  
 Pleinlaan 2                                 
 1050 Brussel                                
 Belgium                                     
                                             
 tel.: +32-2-629.29.77                       
 fax.: +32-2-629.28.70