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Cell Relay Retreat>MPLS WG Archive>month:2001-Jul> msg00519



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QoS in Shared Media

  • From: Juha Heinanen <jh@lohi.eng.telia.fi>
  • Date: Mon, 30 Jul 2001 20:33:08 +0300 (EEST)
  • Cc: "Jay Wang" <jwang@opixnetworks.com>, "HANSEN CHAN" <hansen.chan@alcatel.com>, "Naidu, Venkata" <Venkata.Naidu@Marconi.com>, "'mpls@uu.net'" <mpls@UU.NET>, <te-wg@ops.ietf.org>

fred,

i have no problems whatsoever with diffserv support in regular 801.1q
ethernet switches that allow me to map the user priority field to wfq
queues.  rpr doesn't offer this capability. 

phb stands for "per HOP behavior".  of course it is possible to support
diffserv only at the edge, but that doesn't lead to the most efficient
use of the bandwidth.  it is the same as using cbr vc to connect routers
together over atm backbone.

-- juha