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335 lines
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335 lines
11 KiB
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<meta name="generator" content=
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<title>Media Fragments Working Group Teleconference -- 05 Nov
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2008</title>
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<p><a href="http://www.w3.org/"><img src=
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<h1>Media Fragments Working Group Teleconference</h1>
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<h2>05 Nov 2008</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2008Nov/0019.html'>
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Agenda</a></p>
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<p>See also: <a href=
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"http://www.w3.org/2008/11/05-mediafrag-irc">IRC log</a></p>
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<h2><a name="attendees" id="attendees">Attendees</a></h2>
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<div class="intro">
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<dl>
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<dt>Present</dt>
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<dd>Raphael, Erik, Yves, Guillaume, Jack, Davy,
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Michael_(irc_only)</dd>
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<dt>Regrets</dt>
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<dd>Michael, Silvia</dd>
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<dt>Chair</dt>
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<dd>Raphael</dd>
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<dt>Scribe</dt>
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<dd>Davy</dd>
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</dl>
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</div>
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<h2>Contents</h2>
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<ul>
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<li>
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<a href="#agenda">Topics</a>
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<ol>
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<li><a href="#item01">telecon hour</a></li>
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<li><a href="#item02">minutes acception</a></li>
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<li><a href="#item03">second F2F meeting</a></li>
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<li><a href="#item04">preparation of working draft</a></li>
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<li><a href="#item05">Issues</a></li>
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<li><a href="#item06">AOB</a></li>
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</ol>
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</li>
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<li><a href="#ActionSummary">Summary of Action Items</a></li>
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</ul>
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<hr />
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<div class="meeting">
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<h3 id="item01">telecon hour</h3>
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<p class='phone'><cite>Yves:</cite> propose to have it 1 hour
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later, but we should ask it to Silvia</p>
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<p class='phone'><cite>raphael:</cite> any problems if it
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starts 1 hour later?</p>
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<p class='irc'><<cite>mhausenblas</cite>> I'm fine with
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one hour later</p>
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<p class='phone'><cite>raphael:</cite> proposal to start the
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telecon at 10:00 UTC</p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='irc'><<cite>erik</cite>> +1</p><a name=
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"action01" id="action01"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> yves to make a poll for suggestions
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for telecon hour: 10:00UTC or 9:30UTC [recorded in <a href=
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"http://www.w3.org/2008/11/05-mediafrag-minutes.html#action01">http://www.w3.org/2008/11/05-mediafrag-minutes.html#action01</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-9 -
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Make a poll for suggestions for telecon hour: 10:00UTC or
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9:30UTC [on Yves Lafon - due 2008-11-12].</p>
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<h3 id="item02">minutes acception</h3>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='irc'><<cite>Gui</cite>> +1</p>
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<p class='phone'><cite>raphael:</cite> any objections for
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minutes (phoneconf and f2f)</p>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='irc'><<cite>mhausenblas</cite>> fine with me -
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no objections</p>
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<p class='phone'><cite>jackjansen:</cite> I did not scribe all
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day</p>
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<p class='phone'><cite>raphael:</cite> minutes accepted<br />
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... goes through the action items</p>
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<h3 id="item03">second F2F meeting</h3>
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<p class='phone'><cite>raphael:</cite> encourages to fill the
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questionnaire</p>
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<p class='irc'><<cite>rtroncy</cite>> michael, please
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fill <a href=
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"http://www.w3.org/2002/09/wbs/42785/MFRAGF2F2/">http://www.w3.org/2002/09/wbs/42785/MFRAGF2F2/</a></p>
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<p class='irc'><<cite>mhausenblas</cite>> ok</p>
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<p class='phone'><cite>erik:</cite> please make your
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arrangement asap (preferable before 8/11/2008)</p>
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<p class='phone'><cite>raphael:</cite> no agenda yet,
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suggestions are welcome</p>
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<p class='irc'><<cite>Gui</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/wiki/GhentLogistic">http://www.w3.org/2008/WebVideo/Fragments/wiki/GhentLogistic</a></p>
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<h3 id="item04">preparation of working draft</h3>
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<p class='phone'>1. Use cases and requirements draft
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(Silvia)</p>
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<p class='phone'><cite>raphael:</cite> take time to read it and
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provide some comments<br />
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... any comments yet?<br />
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... suggest to take 2 nominates to review this document</p>
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<p class='phone'><cite>jackjansen:</cite> I will volunteer</p>
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<p class='phone'><cite>Guillaume:</cite> I will also review
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it</p><a name="action02" id="action02"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> jackjansen and Gui to review the use
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cases and requirements draft [recorded in <a href=
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"http://www.w3.org/2008/11/05-mediafrag-minutes.html#action02">http://www.w3.org/2008/11/05-mediafrag-minutes.html#action02</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
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find user - Jack</p>
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<p class='phone'>2. Types of Fragment addressing
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(guillaume)</p>
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<p class='phone'><cite>raphael:</cite> idea was to describe 4
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dimensions to address fragments</p>
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<p class='phone'><cite>guillaume:</cite> description of
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possibilities of media types and these dimensions</p>
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<p class='phone'><cite>yves:</cite> regarding linking to a
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parent resource<br />
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... I will look more deeply into that next week</p>
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<p class='phone'>3. HTTP implementation (Raphael)</p>
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<p class='phone'><cite>raphael:</cite> more information next
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week<br />
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... 3th protocol: file implementation</p>
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<p class='irc'><<cite>Gui</cite>> ://</p>
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<p class='phone'>s/file/file://</p>
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<p class='irc'><<cite>Yves</cite>> file always get the
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full result, so identifying fragment forces seeking</p>
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<p class='irc'><<cite>rtroncy</cite>> 4. RTSP
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implementation (davy)</p>
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<p class='irc'><<cite>rtroncy</cite>> See: <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/wiki/RTSP_implementation">
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http://www.w3.org/2008/WebVideo/Fragments/wiki/RTSP_implementation</a></p>
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<p class='irc'><<cite>rtroncy</cite>> Davy: I describe
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how to address a track and a temporal fragment in rtsp</p>
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<p class='irc'><<cite>rtroncy</cite>> ... some feedback
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would be nice</p>
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<p class='irc'><<cite>rtroncy</cite>> ... is there any
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more specialist of rtsp in the room?</p>
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<p class='irc'><<cite>rtroncy</cite>> Jack: I will read
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it!</p><a name="action03" id="action03"></a>
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<p class='irc'><<cite>rtroncy</cite>>
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<strong>ACTION:</strong> Jack to review the RTSP implementation
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document [recorded in <a href=
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"http://www.w3.org/2008/11/05-mediafrag-minutes.html#action03">http://www.w3.org/2008/11/05-mediafrag-minutes.html#action03</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-10
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- Review the RTSP implementation document [on Jack Jansen - due
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2008-11-12].</p>
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<p class='phone'>5. existing technologies survey (erik)</p>
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<p class='phone'><cite>raphael:</cite> merge this to the state
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of the art page</p>
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<p class='phone'><cite>erik:</cite> I can only look at it from
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15/11/2008<br />
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... it will be ready at second F2F</p>
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<p class='phone'><cite>Guillaume:</cite> how to give feedback
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on drafts?</p>
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<p class='phone'><cite>raphael:</cite> write mail to the
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mailinglist<br />
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... provide the version you have reviewed<br />
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... give comments section per section</p>
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<h3 id="item05">Issues</h3>
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<p class='phone'><cite>raphael:</cite> caching discussion<br />
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... time ranges is really hard</p>
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<p class='irc'><<cite>rtroncy</cite>> Jack: i think time
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is complex and cache should not necessary try to understand
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time ... thus only cache bytes range</p>
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<p class='irc'><<cite>rtroncy</cite>> Davy: I do not say
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exactly the contrary, but i'm arguing about implementation</p>
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<p class='irc'><<cite>rtroncy</cite>> Jack: caching time
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ranges requires cache server to do recombination ... so have
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knowledge about the various media container formats</p>
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<p class='phone'><cite>yves:</cite> implementation hard or not,
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if we no it can be done, than there is no problem</p>
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<p class='phone'><cite>Jack:</cite> caching based on byte
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offsets will work on 99% of the cases</p>
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<p class='irc'><<cite>rtroncy</cite>> Yves: when the
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implementation is done ... it is done! We know it can be done
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... implementation difficulty should not influence the
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design</p>
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<p class='phone'><cite>jack:</cite> it would work with time
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ranges, but I see no advantages</p>
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<p class='phone'><cite>Yves:</cite> with time ranges, you can
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directly request the fragment</p>
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<p class='phone'><cite>jack:</cite> I fully agree<br />
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... I think we should leave this issue open</p>
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<p class='phone'><cite>raphael:</cite> more discussion on the
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mailinglist</p>
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<p class='irc'><<cite>erik</cite>> +q</p>
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<h3 id="item06">AOB</h3>
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<p class='irc'><<cite>Yves</cite>> regrets for me next
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week (HTTP meeting)</p>
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<p class='irc'><<cite>rtroncy</cite>> thanks davy for the
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scribing</p>
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<p class='irc'><<cite>rtroncy</cite>> close ACTION-7</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-7 Request a
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new time slot on the Zakim bridge closed</p>
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</div>
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<h2><a name="ActionSummary" id="ActionSummary">Summary of Action
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Items</a></h2><!-- Action Items -->
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<strong>[NEW]</strong> <strong>ACTION:</strong> Jack to review
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the RTSP implementation document [recorded in <a href=
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"http://www.w3.org/2008/11/05-mediafrag-minutes.html#action03">http://www.w3.org/2008/11/05-mediafrag-minutes.html#action03</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> jackjansen and
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Gui to review the use cases and requirements draft [recorded in
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<a href=
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"http://www.w3.org/2008/11/05-mediafrag-minutes.html#action02">http://www.w3.org/2008/11/05-mediafrag-minutes.html#action02</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> yves to make a
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poll for suggestions for telecon hour: 10:00UTC or 9:30UTC
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[recorded in <a href=
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"http://www.w3.org/2008/11/05-mediafrag-minutes.html#action01">http://www.w3.org/2008/11/05-mediafrag-minutes.html#action01</a>]<br />
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<br />
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[End of minutes]<br />
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<hr />
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<address>
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Minutes formatted by David Booth's <a href=
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scribe.perl</a> version 1.133 (<a href=
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$Date: 2008/11/05 11:05:52 $
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