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COS & TOS Questions

  • From: "Aries C" <cariesc@hotmail.com>
  • Date: Fri, 21 Feb 2003 16:40:44 +0000
  • Resent-Date: Fri, 21 Feb 2003 12:58:16 -0500
  • To: mpls-ops@mplsrc.com
  • X-OriginalArrivalTime: 21 Feb 2003 16:40:44.0914 (UTC) FILETIME=[FACB4520:01C2D9C7]
  • X-Originating-IP: [202.166.126.227]

Hi All,


1. What's the recommended mapping from TOS --> MPLS exp. bits and diffserv 
--> MPLS exp. bits ? I am sure, with 3 bits, the mapping is quite common 
across most of the MPS networks providers (i.e. 0 = best effort, etc.)
2. For 2 applications, voice and non-voice, will COS requirement affect the 
number LSP needed ? Is it relevant questions?
3. What's the best way to provide QoS at PE1-to-CE1 ? With few PVCs is easy, 
but what about if only 1 PVC available ? (i.e. rate limitting, custom 
queuing, etc.)

TIA

Aries C


'



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