[tsvwg] Fwd: New Version Notification for draft-finzi-priority-switching-scheduler-02.txt
Emmanuel Lochin <emmanuel.lochin@isae-supaero.fr> Wed, 30 May 2018 14:37 UTC
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From: Emmanuel Lochin <emmanuel.lochin@isae-supaero.fr>
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Subject: [tsvwg] Fwd: New Version Notification for draft-finzi-priority-switching-scheduler-02.txt
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Dear group members, Please find an update of draft-finzi-priority-switching-scheduler following reviews from Nicolas Kuhn and David Black. EL -------- Forwarded Message -------- Subject: New Version Notification for draft-finzi-priority-switching-scheduler-02.txt Date: Wed, 30 May 2018 07:31:15 -0700 From: internet-drafts@ietf.org To: Ahlem Mifdaoui <ahlem.mifdaoui@isae-supaero.fr>, Fred Baker <FredBaker.IETF@gmail.com>, Fabrice Frances <fabrice.frances@isae-supaero.fr>, Anais Finzi <anais.finzi@isae-supaero.fr>, Fred Baker <fredbaker.ietf@gmail.com>, Emmanuel Lochin <emmanuel.lochin@isae-supaero.fr> A new version of I-D, draft-finzi-priority-switching-scheduler-02.txt has been successfully submitted by Emmanuel Lochin and posted to the IETF repository. Name: draft-finzi-priority-switching-scheduler Revision: 02 Title: Priority Switching Scheduler Document date: 2018-05-30 Group: Individual Submission Pages: 13 URL: https://www.ietf.org/internet-drafts/draft-finzi-priority-switching-scheduler-02.txt Status: https://datatracker.ietf.org/doc/draft-finzi-priority-switching-scheduler/ Htmlized: https://tools.ietf.org/html/draft-finzi-priority-switching-scheduler-02 Htmlized: https://datatracker.ietf.org/doc/html/draft-finzi-priority-switching-scheduler Diff: https://www.ietf.org/rfcdiff?url2=draft-finzi-priority-switching-scheduler-02 Abstract: We detail the implementation of a network scheduler that aims at isolating time constrained and elastic traffic flows from best-effort traffic. This scheduler inherits from the priority scheduler (PS) but dynamically changes the priority of one or several queues. Usual implementations of rate scheduler schemes (such as WRR, DRR, ...) do not allow to efficiently guarantee the capacity dedicated to both AF and BE classes as they mostly provide soft bounds. This means excessive margin is used to ensure the capacity requested and this impacts the number of additional users that could be accepted in the network. To cope with this issue, this memo presents a credit based scheduler mechanism called Priority Switching Scheduler (PSS) that allows a more predictable output rate per traffic class. Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat
- [tsvwg] Fwd: New Version Notification for draft-f… Emmanuel Lochin