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<div dir="ltr"><div><div><div>Hi Mike,<br><br></div>I like your definitions better.<br><br></div>Cheers,<br></div>- Ira<br><br></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr">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 & Printer MIB<br>
Blue Roof Music / High North Inc<br><a style="color:rgb(51,51,255)" href="http://sites.google.com/site/blueroofmusic" target="_blank">http://sites.google.com/site/blueroofmusic</a><br><a style="color:rgb(102,0,204)" href="http://sites.google.com/site/highnorthinc" target="_blank">http://sites.google.com/site/highnorthinc</a><br>
mailto: <a href="mailto:blueroofmusic@gmail.com" target="_blank">blueroofmusic@gmail.com</a><br>Winter 579 Park Place Saline, MI 48176 734-944-0094<br>Summer PO Box 221 Grand Marais, MI 49839 906-494-2434<br><br><div style="display:inline">
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<br><br><div class="gmail_quote">On Thu, Aug 14, 2014 at 7:57 AM, Michael Sweet <span dir="ltr"><<a href="mailto:msweet@apple.com" target="_blank">msweet@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">Ira,<div><br></div><div>I dislike using the term in the definition - makes for circular definitions. Seems like we are talking about a transport mechanism.</div><div><br></div><div>And while we do normally focus on networking the existence of IPP USB also can allow non-traditional data paths to use our stuff.</div>
<div><br></div><div>Finally, "attributes" has specific meaning in both IPP and XML, so how about "data elements"?</div><div><br></div><div>That would make the definition:</div><div><br></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px">
<div>Protocol Binding: The combination of a transport mechanism with a set of message formats, operations, and data elements that implement an abstract information model and associated set of abstract operations and data elements.</div>
</blockquote><div><br></div><div>and for the IPP Binding definition in IPP Scan and IPPINFRA:</div><div><br></div><div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px">IPP Binding: The Internet Printing Protocol implementation of an abstract information model and associated set of abstract operations and data elements.</blockquote>
</div><div><br></div><div>Thoughts?</div><div><br></div><div><br></div><div><div><div class="h5">On Aug 13, 2014, at 9:05 PM, Ira McDonald <<a href="mailto:blueroofmusic@gmail.com" target="_blank">blueroofmusic@gmail.com</a>> wrote:<br>
</div></div><blockquote type="cite"><div><div class="h5">Hi,<br><br>There are hundreds of self-contradictory, informal definitions <br>of "protocol binding" around the Internet. Many IETF RFCs<br>use this term just as we do in PWG, but none define it (that<br>
I've found so far).<br><br>The following excerpt from WSDL/1.1 is illustrative of the<br>conventional computer science use of "protocol binding":<br><br>"Abstract: WSDL is an XML format for describing network <br>
services as a set of endpoints operating on messages <br>containing either document-oriented or procedure-oriented <br>information. The operations and messages are described <br>abstractly, and then bound to a concrete network protocol <br>
and message format to define an endpoint. Related concrete <br>endpoints are combined into abstract endpoints (services). <br>WSDL is extensible to allow description of endpoints and <br>their messages regardless of what message formats or <br>
network protocols are used to communicate."<br><br>Thus, my proposed definition:<br><br><br>Protocol Binding: The combination of a network protocol <br>with a set of message formats, operations, and attributes <br>
that constitutes a concrete data model for implementation <br>
of an abstract information model and an associated set of <br>abstract operations and attributes.<br><br><br>The above definition fits the usage of this term in every <br>IETF RFC that I looked at this evening (several dozen).<br>
<br>Cheers,<br>- Ira<br><br><br>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 & Printer MIB<br>Blue Roof Music / High North Inc<br><a href="http://sites.google.com/site/blueroofmusic" target="_blank">http://sites.google.com/site/blueroofmusic</a><br><a href="http://sites.google.com/site/highnorthinc" target="_blank">http://sites.google.com/site/highnorthinc</a><br>
mailto: <a href="mailto:blueroofmusic@gmail.com" target="_blank">blueroofmusic@gmail.com</a><br>Winter 579 Park Place Saline, MI 48176 <a href="tel:734-944-0094" value="+17349440094" target="_blank">734-944-0094</a><br>
Summer PO Box 221 Grand Marais, MI 49839 <a href="tel:906-494-2434" value="+19064942434" target="_blank">906-494-2434</a><br><br></div></div>_______________________________________________<br>ipp mailing list<br><a href="mailto:ipp@pwg.org" target="_blank">ipp@pwg.org</a><br>
<a href="https://www.pwg.org/mailman/listinfo/ipp" target="_blank">https://www.pwg.org/mailman/listinfo/ipp</a><br></blockquote><br><div>_________________________________________________________<br>Michael Sweet, Senior Printing System Engineer, PWG Chair<br>
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