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802.1Qav - Forwarding and Queuing Enhancements for Time-Sensitive Streams

The full title of this PAR is "IEEE Standard for Local and Metropolitan Area Networks---Virtual Bridged Local Area Networks - Amendment: Forwarding and Queuing Enhancements for Time-Sensitive Streams.".

This standard allows bridges to provide guarantees for time-sensitive (i.e. bounded latency and delivery variation), loss-sensitive real-time audio video (AV) data transmission (AV traffic). It specifies per priority ingress metering, priority regeneration, and timing-aware queue draining algorithms. This standard uses the timing derived from IEEE 802.1AS. Virtual Local Area Network (VLAN) tag encoded priority values are allocated, in aggregate, to segregate frames among controlled and non-controlled queues, allowing simultaneous support of both AV traffic and other bridged traffic over and between wired and wireless Local Area Networks (LANs).

Bridges are increasingly used to interconnect devices that support audio and video streaming application. This standard will specify enhancements to bridge relay function to provide performance guarantees to allow for time-sensitive traffic in a local area network and harmonize delay jitter and packet loss for wired (e.g., IEEE 802.3 - "Standard for Information Technology - Telecommunications and Information Exchange Between Systems - Local and Metropolitan Area Networks - Specific Requirements Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications"), wireless (e.g., IEEE Std 802.11 - "Standard for Information Technology - Telecommunications and information exchange between systems - Local and Metropolitan networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications"), and mixed wired/wireless L2 networks.

Most if not all entertainment media going forward is in digital form. Audio and video streaming and interactive applications over bridged LANs need to be enhanced to have comparable real-time performance of legacy out-of-band analog media distribution. There is significant vendor and end-user interest and market opportunity to consolidate layer 2 solution for both computer networking (e.g. internet access) and audio video services (e.g. home consumer electronics, professional A/V applications, etc) in mixed wired and wireless environments. The use of such consolidated network will realize operational and equipment costbenefits. This standard defines a set of enhancements to the Virtual Bridged LAN (802.1Q - "Standards for Local and Metropolitan Area Networks - Virtual Bridged Local Area Networks").This will enable end-to-end quality of service guarantee agreement for audio and video streaming negotiated over SRP protocol to be realized in a bridged LAN, while interoperating with existing 802.1D - "Standard for Local and Metropolitan Area Networks: Media Access Control (MAC) Bridges" and Q bridges. There is currently no interoperability among bridges that support Audio and Video streaming, nor generally accepted means of achieving such service guarantees in a bridged LAN.

Status
StatusStandard approved on Dec 10th, 2009
EditorTony Jeffree

Archive
DateDocument
10 May 2007802.1qav, Draft 0.0
13 Jul 2007802.1qav, Draft 0.1
23 Aug 2007802.1qav, Draft 0.2
03 Oct 2007802.1qav, Draft 0.3
02 Nov 2007802.1qav, Draft 0.4
21 Dec 2007802.1qav, Draft 1.0
27 Jan 2008802.1qav, Draft 1.0 proposed comment dispositions
26 Feb 2008802.1qav, Draft 1.0 comment dispositions
13 Mar 2008802.1qav, Draft 2.0
07 May 2008802.1qav, Draft 2.0 proposed comment dispositions
30 May 2008802.1qav, Draft 2.0 comment dispositions
11 Jul 2008802.1qav, Draft 3.0
24 Oct 2008802.1qav, Draft 3.1
11 Nov 2008802.1qav, Draft 3.1 proposed comment dispositions
12 Nov 2008802.1qav, Draft 3.1 proposed comment dispositions
27 Nov 2008802.1qav, Draft 3.1 comment dispositions
08 Jan 2009802.1qav, Draft 3.2 MIB
08 Jan 2009802.1qav, Draft 3.2
08 Jan 2009802.1qav, Draft 4.0 MIB
29 Jan 2009802.1qav, Draft 4.0
06 Mar 2009802.1qav, Draft 4.0 proposed comment dispositions
09 Mar 2009802.1qav, Draft 4.0 proposed comment dispositions
13 Mar 2009802.1qav, Draft 4.0 comment dispositions
23 Apr 2009802.1qav, Draft 5.0 MIB
23 Apr 2009802.1qav, Draft 5.0
14 May 2009802.1qav, Draft 5.0 proposed comment dispositions
03 Jun 2009802.1qav, Draft 5.0 comment dispositions
23 Jun 2009802.1qav, Draft 6.0
23 Jun 2009av.drafts/d6/IEEE8021, Draft MIB
11 Jul 2009802.1qav, Draft 6.0 proposed comment dispositions
16 Jul 2009802.1qav, Draft 6.0 comment dispositions
03 Sep 2009802.1qav, Draft 6.0 proposed comment dispositions
11 Sep 2009802.1qav, Draft 6.0 comment dispositions
01 Oct 2009802.1qav, Draft 6.0 comment dispositions
01 Oct 2009802.1qav, Draft 7.0
01 Oct 2009Draft 7.0 MIB
26 Oct 2009802.1qav, Draft 7.0 proposed comment dispositions
04 Nov 2009802.1qav, Draft 7.0 comment dispositions

Presentations
DateDocument
27 Feb 2007Presentation avb-mjt-agenda-0307.pdf
01 Mar 2007Presentation av-jeffree-policing-and-shaping-0207-v00.pdf
10 Mar 2007Presentation avb-gunther-service-discovery-0307.pdf
11 Mar 2007Presentation avb-do-stream-address-allocation-0307.pdf
12 Mar 2007Presentation avb-ssjoo-reservation-admission-0307.pdf
16 Mar 2007Presentation avb-mjt-agenda-notes-0307.pdf
26 Mar 2007Presentation avb-dudi-homepna-0307.pdf
28 Mar 2007Presentation avb-pannell-assumptions-0307-v1.pdf
29 Mar 2007Presentation avb-pannell-assumptions-0307-v2.pdf
04 Apr 2007Presentation avb-harrison-stacktiming-0407.pdf
07 Apr 2007Presentation avb-pannell-assumptions-0407-v3.pdf
17 Apr 2007Presentation avb-pannell-assumptions-0407-v4.pdf
11 May 2007Presentation avb-bartky-end-station-study-0507-v1.pdf
23 May 2007Presentation avb-pannell-assumptions-0507-v5.pdf
30 May 2007Presentation avb-hattig-802_1AVB-and-new-802_11-study-group-0507.pdf
05 Jun 2007Presentation avb-jeong-tspec-0607-v1.pdf
06 Jun 2007Presentation avb-pannell-assumptions-0607-v6.pdf
13 Jun 2007Presentation avb-nfinn-priority-encapsulation-0607-v1.pdf
10 Jul 2007Presentation avb-mjt-agenda-0707-v1.pdf
16 Jul 2007Presentation av-ssjoo-performance-interval-0707.pdf
16 Jul 2007Presentation avb-mjt-agenda-0707.pdf
17 Jul 2007Presentation avb-mjt-agenda-0707.pdf
17 Jul 2007Presentation avb-pannell-assumptions-0707-v7.pdf
18 Jul 2007Presentation av-ssjoo-performance-interval-0707.pdf
18 Jul 2007Presentation avb-nfinn-wireless-bridges-0707-v2.pdf
20 Jul 2007Presentation av-dvj-shaping0707.pdf
06 Aug 2007Presentation avb-ashley-vts-minutes-0707.pdf
08 Aug 2007Presentation avb-nfinn-mrp-based-reservation-0807-v1.pdf
04 Sep 2007Presentation avb-pannell-assumptions-0907-v8.pdf
06 Sep 2007Presentation avb-nfinn-mrp-or-d09-0907-v1.pdf
29 Sep 2007Presentation avb-mjt-agenda-0707.pdf
29 Sep 2007Presentation avb-mjt-agenda-0907.pdf
02 Oct 2007Presentation avb-cgunther-hopstatus-1007.pdf
19 Oct 2007Presentation avb-gv-vts-par-and-5c-submission-1007.pdf
07 Nov 2007Presentation avb-feng-stp-for-avb-1107.pdf
07 Nov 2007Presentation avb-phkl-avb-support-sn-1107.pdf
09 Nov 2007Presentation avb-phkl-avb-support-sn-1107-v2.pdf
13 Nov 2007Presentation avb-pannell-assumptions-1107-v9.pdf
14 Nov 2007Presentation avb-phkl-avb-support-sn-1107-v4.pdf
19 Mar 2008Presentation av-p802-1qav-par-amendment-0308-v02.pdf
20 Mar 2008Presentation avb-nfinn-802-11-bridging-0308-v2.pdf
30 Apr 2008Presentation avb-pannell-assumptions-0408-v13.pdf
14 May 2008Presentation av-mjt-max-delay-0408-v2.pdf
15 May 2008Presentation avb-pannell-assumptions-0508-v15.pdf
21 May 2008Presentation avb-do-interim-minutes-0508.pdf
13 Jul 2008Presentation avb-cag-agenda-0708.pdf
13 Jul 2008Presentation avb-cag-agenda-0708-v1.pdf
14 Jul 2008Presentation avb-cag-agenda-0708-v2.pdf
16 Jul 2008Presentation avb-mjt-standards-status-0708.pdf
22 Jul 2008Presentation av-fuller-filtering-sr-classes-0708-v01.pdf
13 Sep 2008Presentation avb-rhee-802-11n-timestamp-0908.pdf
14 Sep 2008Presentation avb-phkl-csn-integration-0908-v10.pdf
17 Sep 2008Presentation avb-pannell-mjt-assumptions-0908-v17.pdf
09 Nov 2008Presentation avb-nfinn-802-11-bridging-0308-v3.pdf
11 Nov 2008Presentation avb-fourcand-timestamp-based-synchronization-1108.pdf
11 Nov 2008Presentation avb-phkl-802-11-qos-overview-0811-1.pdf
12 Nov 2008Presentation avb-dolsen-1722-maap-1108.pdf
12 Nov 2008Presentation avb-gs-802-11-qos-tutorial-1108.pdf
12 Nov 2008Presentation av-garner-maxburst-formulas-1108.pdf
19 May 2009Presentation av-phkl-csn-0905.pdf
14 Jul 2009Presentation avb-fuller-ethernet-technology-assessment-0709-v01.pdf
16 Jul 2009Presentation av-press-release-3-1-0709.pdf
12 Aug 2009Presentation av-fuller-queue-delay-calculation-0809.pdf
26 Aug 2009Presentation av-fuller-queue-delay-calculation-0809-v02.pdf

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Last modified by jlm, at 12:54pm on Thu, 10 Dec 2009