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<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Pete,<div><br></div><div>First, support for push scan != support for a workflow solution.</div><div><br></div><div>Second, how do you anticipate this being used with discovery? Do you think that users will be using a special workflow scanning application that only shows compatible MFDs that it discovers through DNS-SD/LDAP and does not support pull-scan only MFDs?</div><div><br></div><div>(Bear with me, I'm not trying to be difficult, just trying to wrap my head around what the use case/requirements are here. A list of push schemes doesn't feel like the right answer to me...)</div><div><br></div><div><br><div><div>On Feb 11, 2014, at 1:12 PM, Zehler, Peter &lt;<a href="mailto:Peter.Zehler@xerox.com">Peter.Zehler@xerox.com</a>&gt; wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">

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<div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Mike,
<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">My definition of constrained network scan client with minimal local storage&nbsp; is a dual-core 1GHz Snapdragon processor, a 4-inch WVGA screen, 512MB of memory
 and 2GB of storage.&nbsp; But accommodating low end clients was not my point.&nbsp; <o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The need Xerox has to discover a Push scan service are scenarios such as I mentioned below.&nbsp; This is not a capability that can be implemented by a client. &nbsp;&nbsp;A
 pull from and MFD and then a push to a repository is not equivalent to an MFD pushing to a repository. &nbsp;&nbsp;I view this as an enterprise scanning requirement.&nbsp; Consumer and SMB targeted products can simply just implement pull and avoid the push related overhead.&nbsp;
 But we need a scan solution that scales. Using discovery to filter basic relatively static capabilities is required.&nbsp; For printing that is things like color printing and supported PDLs.&nbsp; For Scanning it is document feed capabilities and , for me, if it can
 deliver a scan directly to a workflow (i.e., Push).<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Pete
<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span></p>
<div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Impact&quot;,&quot;sans-serif&quot;;color:navy">Peter Zehler</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
<br>
</span><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:navy">Xerox Research Center Webster<br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Email:
<a href="mailto:Peter.Zehler@Xerox.com">Peter.Zehler@Xerox.com</a></span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Office: +1 (585) 265-8755<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Mobile: +1 (585) 329-9508</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">FAX: +1 (585) 265-7441</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">US Mail: Peter Zehler</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Xerox Corp.</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">800 Phillips Rd.</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">M/S 128-25E</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Webster NY, 14580-9701</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">
</span><span style="color:#1F497D"><o:p></o:p></span></p>
</div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span></p>
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<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Michael Sweet [<a href="mailto:msweet@apple.com">mailto:msweet@apple.com</a>]
<br>
<b>Sent:</b> Tuesday, February 11, 2014 11:49 AM<br>
<b>To:</b> Zehler, Peter<br>
<b>Cc:</b> Ira McDonald; <a href="mailto:IPP@pwg.org">IPP@pwg.org</a><br>
<b>Subject:</b> Re: [IPP] IPP Scan - Is Push scanning mandatory?<o:p></o:p></span></p>
</div>
</div><p class="MsoNormal"><o:p>&nbsp;</o:p></p><p class="MsoNormal">Pete,<o:p></o:p></p>
<div><p class="MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div><p class="MsoNormal">Please provide your definition of a constrained network scan client with minimal local storage.<o:p></o:p></p>
</div>
<div><p class="MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div><p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<div><p class="MsoNormal">On Feb 11, 2014, at 11:38 AM, Zehler, Peter &lt;<a href="mailto:Peter.Zehler@xerox.com">Peter.Zehler@xerox.com</a>&gt; wrote:<o:p></o:p></p>
</div><p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">All,</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">The use case of the constrained client with minimal local storage should be accommodated.&nbsp; However the use case important to Xerox is where the client must
 have the scanner deliver the scanned documents directly to the destination.&nbsp; (e.g., scanning a contract and delivering is securely to the destination.)&nbsp; The ability to discover scanners that support push without interrogating all the scanners in an enterprise
 environment is needed.&nbsp; We eliminated seven of the text records from the discovery message.&nbsp; This leaves 4 mandatory, 2 conditional, and 2 optional.&nbsp; Adding this one should not be an undue burden.&nbsp; I can live with a Boolean but would prefer a list of schemes.&nbsp;
 A list fully populated with the defined values would be “http,https,ftp,ftps,smb,ipp,ipps,mailto” which probably comes down to about 45 bytes for the text record.</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Pete</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Impact&quot;,&quot;sans-serif&quot;;color:navy">Peter Zehler</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
<br>
</span><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:navy">Xerox Research Center Webster<br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Email:
<a href="mailto:Peter.Zehler@Xerox.com">Peter.Zehler@Xerox.com</a></span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Office: +1 (585) 265-8755</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Mobile: +1 (585) 329-9508</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">FAX: +1 (585) 265-7441</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">US Mail: Peter Zehler</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Xerox Corp.</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">800 Phillips Rd.</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">M/S 128-25E</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:navy">Webster NY, 14580-9701</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">
</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;</span><o:p></o:p></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Ira McDonald [<a href="mailto:blueroofmusic@gmail.com">mailto:blueroofmusic@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, February 11, 2014 10:55 AM<br>
<b>To:</b> Michael Sweet; Ira McDonald<br>
<b>Cc:</b> Zehler, Peter; <a href="mailto:IPP@pwg.org">IPP@pwg.org</a><br>
<b>Subject:</b> Re: [IPP] IPP Scan - Is Push scanning mandatory?</span><o:p></o:p></p><p class="MsoNormal">&nbsp;<o:p></o:p></p>
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<div><p class="MsoNormal" style="margin-bottom:12.0pt">Hi Mike,<o:p></o:p></p>
</div><p class="MsoNormal" style="margin-bottom:12.0pt">Crossed wires?<o:p></o:p></p>
</div><p class="MsoNormal" style="margin-bottom:12.0pt">The mobile client may have very limited local storage and therefore want<br>
the MFD to push a large scan output file directly to a network server.&nbsp; That's<br>
the use case for the boolean in the TXT record (at least I thought that was<br>
what Smith and Pete were concerned about).<o:p></o:p></p>
</div><p class="MsoNormal">Cheers,<o:p></o:p></p>
</div><p class="MsoNormal" style="margin-bottom:12.0pt">- Ira<o:p></o:p></p>
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<div><p class="MsoNormal"><br clear="all">
<o:p></o:p></p>
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<div><p class="MsoNormal" style="margin-bottom:12.0pt">Ira McDonald (Musician / Software Architect)<br>
Co-Chair - TCG Trusted Mobility Solutions WG<br>
Chair - Linux Foundation Open Printing WG<br>
Secretary - IEEE-ISTO Printer Working Group<br>
Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG<br>
IETF Designated Expert - IPP &amp; Printer MIB<br>
Blue Roof Music / High North Inc<br>
<a href="http://sites.google.com/site/blueroofmusic" target="_blank"><span style="color:#3333FF">http://sites.google.com/site/blueroofmusic</span></a><br>
<a href="http://sites.google.com/site/highnorthinc" target="_blank"><span style="color:#6600CC">http://sites.google.com/site/highnorthinc</span></a><br>
mailto: <a href="mailto:blueroofmusic@gmail.com" target="_blank">blueroofmusic@gmail.com</a><br>
Winter&nbsp; 579 Park Place&nbsp; Saline, MI&nbsp; 48176&nbsp; 734-944-0094<br>
Summer&nbsp; PO Box 221&nbsp; Grand Marais, MI 49839&nbsp; 906-494-2434<o:p></o:p></p>
</div>
</div><p class="MsoNormal" style="margin-bottom:12.0pt">&nbsp;<o:p></o:p></p>
<div><p class="MsoNormal">On Tue, Feb 11, 2014 at 10:13 AM, Michael Sweet &lt;<a href="mailto:msweet@apple.com" target="_blank">msweet@apple.com</a>&gt; wrote:<o:p></o:p></p>
<div><p class="MsoNormal">Ira,<o:p></o:p></p>
<div><p class="MsoNormal">&nbsp;<o:p></o:p></p>
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<div><p class="MsoNormal">On Feb 10, 2014, at 5:31 PM, Ira McDonald &lt;<a href="mailto:blueroofmusic@gmail.com" target="_blank">blueroofmusic@gmail.com</a>&gt; wrote:<o:p></o:p></p>
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<div><p class="MsoNormal" style="margin-bottom:12.0pt">Hi Mike and Pete,<o:p></o:p></p>
</div><p class="MsoNormal">What about a simple TXT record discovery attribute for Push capability that's boolean?<o:p></o:p></p>
</div><p class="MsoNormal">Since a bunch of URI schemes are conditionally mandatory anyway, that gets 90% of<br>
the discovery need.<o:p></o:p></p>
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</blockquote>
<div><p class="MsoNormal">&nbsp;<o:p></o:p></p>
</div>
</div><p class="MsoNormal">What would be the use case?<o:p></o:p></p>
</div>
<div><p class="MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div><p class="MsoNormal">It's one thing to need to find a color printer - you can't use software to print color on a B&amp;W printers - but for scan if the MFD doesn't support push, the (mobile) client certainly *can* do it...<o:p></o:p></p>
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<div><p class="MsoNormal">&nbsp;<o:p></o:p></p>
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<div><p class="MsoNormal"><span style="font-family:&quot;Andale Mono&quot;">_________________________________________________________<br>
Michael Sweet, Senior Printing System&nbsp;Engineer, PWG Chair</span><o:p></o:p></p>
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</div><p class="MsoNormal">&nbsp;<o:p></o:p></p>
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</div><p class="MsoNormal">&nbsp;<o:p></o:p></p>
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<div><p class="MsoNormal"><span style="font-family: 'Andale Mono';">_________________________________________________________<br>
Michael Sweet, Senior Printing System&nbsp;Engineer, PWG Chair<o:p></o:p></span></p>
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</div><p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Andale Mono'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;  "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Andale Mono'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;  "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">_________________________________________________________<br>Michael Sweet, Senior Printing System&nbsp;Engineer, PWG Chair</div></span></span>
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