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802.1Qch - Cyclic Queuing and Forwarding

The full title of this PAR is "Standard for Local and Metropolitan Area Networks-Media Access Control (MAC) Bridges and Virtual Bridged Local Area Networks Amendment: Cyclic Queuing and Forwarding".

This amendment specifies synchronized cyclic enqueuing and queue draining procedures, managed objects, and extensions to existing protocols that enable bridges and end stations to synchronize their transmission of frames to achieve zero congestion loss and deterministic latency.

This amendment specifies a transmission selection algorithm that allows deterministic delays through a bridged network to be easily calculated regardless of network topology. This is an improvement of the existing techniques that provides much simpler determination of network delays, reduces delivery jitter, and simplifies provision of deterministic services across a bridged LAN.

Status
StatusPAR approved Feb 16, 2015. Standard approved May 18th, 2017.
EditorTony Jeffree

Archive
DateDocument
13 Jan 2016802.1Qch, Draft 0.0
13 Mar 2016802.1Qch, Draft 0.1
05 May 2016802.1Qch, Draft 0.1 proposed comment dispositions
26 May 2016802.1Qch, Draft 0.1 comment dispositions
19 Jul 2016802.1Qch, Draft 0.2
11 Aug 2016802.1Qch, Draft 1.0
10 Sep 2016802.1Qch, Draft 1.0 proposed comment dispositions
13 Sep 2016802.1Qch, Draft 1.0 comment dispositions
05 Oct 2016802.1Qch, Draft 1.1 proposed comment dispositions
09 Nov 2016802.1Qch, Draft 1.1 comment dispositions
09 Nov 2016802.1Qch, Draft 1.1 comment dispositions
10 Nov 2016802.1Qch, Draft 2.0
15 Dec 2016802.1Qch, Draft 2.0 proposed comment dispositions
09 Jan 2017802.1Qch, Draft 2.0 comment dispositions
11 Jan 2017802.1Qch, Draft 2.1
03 Feb 2017802.1Qch, Draft 2.1 proposed comment dispositions
13 Feb 2017802.1Qch, Draft 2.1 comment dispositions
13 Feb 2017802.1Qch, Draft 2.2
23 Feb 2017802.1Qch, Draft 2.2 comment dispositions

Presentations
DateDocument
14 Nov 2012Presentation new-avb-mjt-back-to-the-future-1112-v01.pdf
23 Jan 2014Presentation new-tsn-mjt-peristaltic-shaper-0114.pdf
11 Sep 2014Presentation ch-mjt-cyclic-queuing-and-forwarding-par-csd-0814-v01.pdf
26 Sep 2014Presentation ch-mjt-cyclic-queuing-and-forwarding-par-0914-v01.pdf
05 Nov 2014Presentation ch-mjt-cyclic-queuing-and-fowarding-par-0914-v02.pdf
20 Jan 2016Presentation ch-jeffree-cqf–timing-considerations-0116-v01.pptx

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Last modified by jmesseng, at 10:45PM on Wed, 24 May 2017