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 This is a 10 day email ballot to make a determination on the withdrawn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