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Cell Relay Retreat>MPLS WG Archive>month:2002-Oct> msg00126



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DiffServ MPLS over Ethernet (L-LSP vs E-LSP)

  • From: "Andrew G. Malis" <Andy.Malis@vivacenetworks.com>
  • Date: Mon, 21 Oct 2002 23:07:34 -0400
  • Cc: "Gray, Eric" <egray@celoxnetworks.com>, "'Shahram Davari'" <Shahram_Davari@pmc-sierra.com>, mpls@UU.NET
  • X-OriginalArrivalTime: 22 Oct 2002 03:07:38.0943 (UTC) FILETIME=[2DB15CF0:01C27978]

Curtis,

>It works fine until you put an ethernet switch in place and try to put
>more than 1 Gb over a 1 GbE.  This is true for any situation where
>more than one ingress going through the switch to one egreess.

Even this case works fine if you have LSRs that can do per-LSP (or at the 
very least per-DSCP) policing, queuing, and shaping into the GE.  I agree 
that in general, Ethernet switches don't have the necessary QoS mechanisms.

Cheers,
Andy