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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: Frame Preemption".
This amendment specifies procedures, managed objects, and protocol extensions that:
The purpose of this amendment is to provide reduced latency transmission for scheduled, time-critical frames in a bridged LAN.
A large, non-time-critical frame may start ahead of time-critical frame transmission. This condition leads to excessive latency for the time-critical frame. The lack of transmission preemption severely inhibits the capabilities of an application that uses scheduled frame transmission to implement a real-time control network.
|Status||PAR approved 15th May 2012.|
|19 Aug 2013||802.1Qbu, Draft 0.0|
|04 Jul 2014||802.1Qbu, Draft 0.1|
|28 Jul 2014||802.1Qbu, Draft 1.0|
|28 Aug 2014||802.1Qbu, Draft 1.0 proposed comment dispositions|
|29 Aug 2014||802.1Qbu, Draft 1.0 proposed comment dispositions|
|01 Sep 2014||802.1Qbu, Draft 1.0 proposed comment dispositions|
|29 Sep 2014||802.1Qbu, Draft 1.0 comment dispositions|
|16 Oct 2014||802.1Qbu, Draft 1.1|
|02 Nov 2014||802.1Qbu, Draft 1.1 proposed comment dispositions|
|21 Nov 2014||802.1Qbu, Draft 1.1 comment dispositions|
|01 Dec 2014||802.1Qbu, Draft 2.0|
|18 Jul 2012||Presentation bu-mjt-bu-goals-for-ethernet-0712.pdf|
|20 Mar 2013||Presentation bu-boiger-TAS-in-combination-with-Qbu-0313.pdf|
|16 May 2013||Presentation bu-boiger-IET-and-TAS-0513.pdf|
|15 May 2014||Presentation bu-nfinn-status-for-802-3-0514-v01.pdf|
|10 Sep 2014||Presentation bu-boiger-CBS-Preemption-Support-0914-v01.pdf|
|11 Sep 2014||Presentation bu-thaler-iet-management-model-alternatives-v01.pdf|
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