North American Network Operators Group
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Re: BCP regarding TOS transparancy for internet traffic

  • From: Mikael Abrahamsson
  • Date: Wed May 25 17:07:42 2005 
On Wed, 25 May 2005, Lars Erik Gullerud wrote:
The "general population", who does NOT pay for that privilege, gets the BE-treatment, which is what they pay for. And that requires a rewrite of the DSCP/TOS for said traffic, otherwise how do you prevent packets from the "general population" filling up the queues you have reserved for the
One way is to null MPLS EXP for BE traffic and do QoS on that, and then set EXP bits to something different for non-BE traffic. That leaves DSCP transparent end-to-end on the IP packet.

But as I have read the discussion I do think that null:ing DSCP for all BE traffic is the way to go, and keep the clean copy of DSCP to EXP within the network for the customers paying for preferred treatment (or whatever service you want to prioritize).

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Mikael Abrahamsson email: [email protected]