Re: [Diffserv-interest] Re: [Diffserv] DiffServ traffic characteristics
Fred Baker <fred@cisco.com> Wed, 10 April 2002 11:32 UTC
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Date: Wed, 10 Apr 2002 04:25:39 -0700
To: Brian E Carpenter <brian@hursley.ibm.com>
From: Fred Baker <fred@cisco.com>
Subject: Re: [Diffserv-interest] Re: [Diffserv] DiffServ traffic characteristics
Cc: Lloyd Wood <L.Wood@eim.surrey.ac.uk>, Phung Minh Hoang <engp1627@nus.edu.sg>, diffserv interest <diffserv-interest@ietf.org>
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> > In the core, all these slower streams are aggregated, smoothing out > > individual peaks, and everything's running much nearer capacity. > > Lucent rediscovered this with some fanfare last year: they are, when the interfaces between the edge and the core smooth them, or when they are so small (much web and email) that their behavior is essentially a packet for packet exchange between peers, (video) their traffic is essentially a not-very-variable rate fixed data stream, or (voip) a bimodal data stream that is fixed rate when on and otherwise is off. I would conjecture that where you get sloping behaviors is with essentially random traffic (NFS) or sum-of-sawtooth TCP file transfers. _______________________________________________ Diffserv-interest mailing list Diffserv-interest@ietf.org https://www1.ietf.org/mailman/listinfo/diffserv-interest
- [Diffserv-interest] Re: [Diffserv] DiffServ traff… Brian E Carpenter
- Re: [Diffserv-interest] Re: [Diffserv] DiffServ t… Fred Baker