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Cell Relay Retreat>MPLS-OPS Archive>month:2001-Mar> msg00093



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Re: Questions about MPLS

  • From: Christopher Lewis <chrlewis@cisco.com>
  • Date: Sat, 17 Mar 2001 14:54:41 -0500
  • Cc: "Robin Smith" <rosmith@cisco.com>, mpls-ops@mplsrc.com
  • Resent-Date: Sat, 17 Mar 2001 16:19:08 -0500
  • To: danny@ambernetworks.com
  • X-Sender: chrlewis@fargo.cisco.com

Variable length packets versus fixed length cells or TDM timeslots is what 
leads to the jitter problem on packet based circuit transport.

At 11:55 AM 3/17/2001, Danny McPherson wrote:


> > I trust their delay and jitter requirements are low if they propose using
> > CCC seriously?
>
>Why?
>
> > ie they dont require circuit based services that are not
> > tolerant of even small delay variation.
>
>Why not, IP or MPLS with the appropriate CoS-based QoS (or NONE
>if there's no contention in the network) can provide these
>services?
>
>-danny
>
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