Re: [802SEC] CURRENT TALLY #1: +++10 Day EC Email Ballot (Closes no later than 29 April 2007)+++ Motion to approve the formation of the 802.11 Video Transport Stream (VTS) Study Group
approve
At 12:57 PM 4/20/2007 -0700, Stuart J. Kerry wrote:
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>802 EC Members,
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>This is the current tally for the ongoing 802 EC ballot:
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>Motion: "To approve formation of an IEEE 802.11 Study Group to examine
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>issues related to delivery of Video Transport Streams (VTS) over IEEE
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>P802.11, with the intent to create a PAR and Five criteria to form a new
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>Task Group. The proposed PAR and 5C would be reviewed by the 802.1 Audio
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>Video Bridging Task Group (802.1AVB TG), and in addition both the
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>802.1AVB TG and 802.11 VTS SG (and eventually the 802.11 TG, if formed)
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>will meet jointly at IEEE 802 plenary meetings, unless mutually agreed
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>not to".
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> 802 EC Motion: Vote Categories
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>802.11 VTS Study Group APP DIS ABS DNV Date
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>VC Mat Sherman APP - - - 04/19/07
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>VC Pat Thaler APP - - - 04/19/07
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>ES Buzz Rigsbee - - - DNV -
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>RS Bob O'Hara APP - - - 04/19/07
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>TR John Hawkins APP - - - 04/19/07
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>01 Tony Jeffree APP - - - 04/18/07
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>03 Bob Grow - - - DNV -
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>11 Stuart Kerry APP - - - 04/18/07
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>15 Bob Heile - - - DNV -
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>16 Roger Marks - - - DNV -
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>17 John Lemon - - - DNV -
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>18 Mike Lynch APP - - - 04/18/07
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>19 Steve Shellhammer APP - - - 04/18/07
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>20 Arnie Greenspan APP - - - 04/19/07
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>21 Vivek Gupta APP - - - 04/18/07
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>22 Carl Stevenson APP - - - 04/19/07
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>ME Geoff Thompson Non-Voting -
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> Results 11 0 0 5 Return
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>16 Voter Pool 100% 0% 0% 31% 69%
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>Regards,
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>/ Stuart
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>_______________________________
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>Stuart J. Kerry
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>Chair, IEEE 802.11 WLANs WG
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>c/o: NXP Semiconductors,
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>1109 McKay Drive, M/S 48A SJ,
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>San Jose, CA 95131-1706,
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>United States of America.
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>+1 (408) 474-7356 - Phone
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>+1 (408) 474-5343 - Fax
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>+1 (408) 348-3171 - Cell
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>eMail: stuart.kerry@nxp.com
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>_______________________________
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>
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>-----Original Message-----
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>From: ***** IEEE 802 Executive Committee List *****
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>[mailto:STDS-802-SEC@ieee.org] On Behalf Of Stuart J. Kerry
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>Sent: Wednesday, April 18, 2007 2:10 PM
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>To: STDS-802-SEC@listserv.ieee.org
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>Subject: [802SEC] +++10 Day EC Email Ballot (Closes no later than 29
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>April 2007)+++ Motion to approve the formation of the 802.11 Video
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>Transport Stream (VTS) Study Group
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>Dear EC Members,
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>The 802 EC Chair has delegated me to conduct this EC ballot on his
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>behalf.
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>This is a 10 day email ballot to make a determination on the withdrawn
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>motion which was deferred to an 802 EC email ballot, that was submitted
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>to the Closing Orlando March 2007 802 EC meeting:
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>Motion: "To approve formation of an IEEE 802.11 Study Group to examine
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>issues related to delivery of Video Transport Streams (VTS) over IEEE
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>P802.11, with the intent to create a PAR and Five criteria to form a new
>
>Task Group. The proposed PAR and 5C would be reviewed by the 802.1 Audio
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>Video Bridging Task Group (802.1AVB TG), and in addition both the
>
>802.1AVB TG and 802.11 VTS SG (and eventually the 802.11 TG, if formed)
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>will meet jointly at IEEE 802 plenary meetings, unless mutually agreed
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>not to".
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>Moved: Stuart J. Kerry
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>Seconded: Tony Jeffree
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>This ballot opens 11:59 PM ET Wednesday 18th, 2007 and closes when all
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>voting EC members have cast a ballot but no later than 11:59 PM ET
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>Sunday April 29th, 2007 if enough ballots have been cast for a decision
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>to be made (more than 9 approves or disapproves).
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>Executive Summary:
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>The proposed 802.11 Video Transport Stream (VTS) Study Group will focus
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>On enhancements within the 802.11 MAC/PHY layers to improve video streaming
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>performance over 802.11 links. The problem space is constrained to be
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>limited to issues unique to 802.11 and nothing more.
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>The 802.11 VTS SG will collaborate with 802.1AVB TG to ascertain that
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>802.11 specifications include support for all mechanisms specified in
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>802.1AVB. If there are no mechanisms within 802.11 to support 802.1AVB,
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>the 802.11 VTS SG will work jointly with 802.1AVB TG to specify the
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>required mechanisms. This strategy is decided based on discussions with
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>Michael Johas Teener (802.1AVB TG Chair) and Ganesh Venkatesan (Proposed
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>Chair of the 802.11 VTS SG, if approved), as well as the two WG Chairs.
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>If the 802.11 VTS SG formation is approved by the EC, the tentative
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>Schedule for 802.11 VTS SG in May interim meeting in Montreal includes a
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>Presentation on 802.1AVB and 802.1AVB Transport Protocol followed by a
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>discussion how 802.11 fits into this specification. These meetings are
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>open to all 802 members.
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>Approved in 802.11 WG:
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>. 802.11 WNG SC - Results: 59-3-11
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>. WG - Results: 76-1-25
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>Details:
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>802.11 VTS SG is focused on enhancements within the 802.11 MAC/PHY
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>layers to improve the performance of video streams sent over 802.11 links.
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>This is the main focus of the 802.11 VTS SG and is expected that the SG
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>will spend 80% of its time in this activity. Some of the areas for study
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>are (not in any specific order, not a complete list). Some of these
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>topics are not fully explored yet:
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>1. Enhancements to 802.11e mechanisms to render them effective for
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>transport streams (not all bits are equal
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>2. QoS Management mechanisms (permits QoS control from higher
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>layers)
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>3. Optimizations to make medium access more deterministic
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>4. Forward Error Correction techniques that are effective for 802.11
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>(specifically low reliability of the medium)
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>5. Resiliency mechanisms to mitigate interference
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>6. Heuristics for retransmission, packet drop, etc
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>7. Channel dynamics estimation and adaptation techniques
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>In addition (if there are currently no known mechanisms in 802.11) the
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>VTS SG, in order to guarantee that the wired and wireless sub-systems can
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>co-exist, will also work on the following items listed below. It is
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>anticipated that the items in this list will involve some level of joint
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>activity between 802.1AVB TG and 802.11 VTS SG. About 20% of the 802.11
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>VTS SG activity is expected here. Please note that the items listed below
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>Will be in 802.11 (if needed) but will be performed jointly with the experts
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> From 802.1AVB TG.
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>. Mechanisms to support those specified by 802.1 Qat (stream
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>reservation protocol - bandwidth, latency, Admission Control and Time
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>Synchronization) and 802.1Qav (forwarding and queuing of time-sensitive
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>streams). Note that support for 802.1AS is already included in 802.11v.
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>. Mechanisms to support 802.1Qas (time synchronization).
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>. Any additional mechanisms that are specified in 802.1AVB
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>Requiring additional support in 802.11.
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>A liaison will be established between 802.1AVB TG and 802.11 VTS SG. The
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>liaison will ascertain 802.1 AVB mechanisms and optimizations in 802.11
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>for video streaming are compatible and they work together to improve
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>streaming performance. This will be a 2-way communication - advancements in
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>802.1AVB will be made known to the 802.11 VTS SG members and advancements
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>made in the SG made known to 802.1AVB TG members.
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>. The documents generated by the two groups may be reviewed by
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>Each other (on a case by case basis),
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>. There may be presentations from one group to the other to
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>Provide rationale/motivation for an approach/solution and
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>. Members from each group will attend meetings of the other when
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>possible.
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>Regards,
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>/ Stuart
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>_______________________________
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>
>
>Stuart J. Kerry
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>Chair, IEEE 802.11 WLANs WG
>
>
>
>c/o: NXP Semiconductors,
>
>1109 McKay Drive, M/S 48A SJ,
>
>San Jose, CA 95131-1706,
>
>United States of America.
>
>
>
>+1 (408) 474-7356 - Phone
>
>+1 (408) 474-5343 - Fax
>
>+1 (408) 348-3171 - Cell
>
>eMail: stuart@ok-brit.com
>
>_______________________________
>
>
>
>
>
>
>----------
>This email is sent from the 802 Executive Committee email reflector. This
>list is maintained by Listserv.
Bob Heile, Ph.D
Chairman, ZigBee Alliance
Chair, IEEE 802.15 Working Group on Wireless Personal Area Networks
11 Louis Road
Attleboro, MA 02703 USA
Mobile: +1-781-929-4832
email: bheile@ieee.org
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This email is sent from the 802 Executive Committee email reflector. This list is maintained by Listserv.