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Cell Relay Retreat>MPLS WG Archive>month:2001-Oct> msg00434



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CoS (EXP) field

  • From: Yousuf Hasan <yhasan@cisco.com>
  • Date: Tue, 30 Oct 2001 01:46:20 -0700
  • Cc: mpls@UU.NET

At 01:36 AM 10/30/2001 -0700, Yousuf Hasan wrote:
>At 01:11 AM 10/30/2001 -0800, pradeep n wrote:
>>CoS (EXP) field of Shim Header is considered as
>>Expermental range, currently this field is being
>>considered for QOS implementation.
>
>That's true, the EXP or CoS field is 3 bits & is normally used to map IP precedence. And this would be E-LSPs which means that the LSP's QOS is inferred from the EXP field

correction: the MPLS packet's QoS in this LSP is inferred from the EXP field


>Thanks
>
>-Yousuf
>
>
>>Please elobrate on this matter. More information
>>expected.
>>
>>Pradeep
>>
>>
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