[Diffserv-interest] Re: [Diffserv] (no subject)

Fred Baker <fred@cisco.com> Thu, 16 May 2002 12:08 UTC

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Date: Thu, 16 May 2002 05:06:34 -0700
To: hchang <hchang@scut.edu.cn>
From: Fred Baker <fred@cisco.com>
Cc: Diffserv <diffserv-interest@ietf.org>
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Subject: [Diffserv-interest] Re: [Diffserv] (no subject)
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At 05:58 PM 5/16/2002 +0800, hchang wrote:
>so how can we guarantee the per-flow QOS in this aggregated model?

we can't, not without per-flow queuing

>         so how can we use QOS routing in the Diffserv model?

About all we can do is something similar to OSPF's TOS routing, 
discriminating on the DSCP as well as the destination address, or move to a 
source/destination routing paradigm.

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