Ciao Dave (&all) While I'd love to do a bit more on the topic, I recently joined Huawei, and while I still work on networking, this one is not so aligned with my current set of activities... so I cannot unfortunately help moving forward :/ Best,D. PS fyi Also I tend to read this email less freqiently than @huawei Sent from my new-but-still-not-so-smart-phone. Excuse my typos and its random fixes Oo Chair holder NewNet@Paris > Professor, Telecom ParisTech~ Professor, Ecole Polytechnique
-------- Original message --------From: Dave Taht <dave.t...@gmail.com> Date: 12/6/18 04:18 (GMT+01:00) To: bloat <bloat@lists.bufferbloat.net>, Cake List <c...@lists.bufferbloat.net>, a...@ietf.org Subject: paper: per flow fairness in a data center network While I strongly agree with their premise: "Multi-tenant DCNs cannot rely on specialized protocols and mechanisms that assume single ownership and end-system compliance. It is necessary rather to implement general, well-understood mechanisms provided as a network service that require as few assumptions about DC workload as possible." ... And there's a solid set of links to current work, and a very interesting comparison to pfabric, their DCTCP emulation is too flawed to be convincing, and we really should get around to making the ns2 fq_codel emulation fully match reality. This is also a scenario where I'd like to see cake tried, to demonstrate the effectiveness (or not!) of 8 way set associative queuing, cobalt, per host/per flow fq, etc, vs some of the workloads they outline. https://perso.telecom-paristech.fr/drossi/paper/rossi18hpsr.pdf -- Dave Täht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740
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