attachment-0002
<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; "><div><br></div>Hi Kelly,<div><br></div><div>FYI, The W3C has a working draft regarding service discovery you may want to look at:</div><div><br></div><div><a href="http://www.w3.org/TR/2012/WD-discovery-api-20121004/">http://www.w3.org/TR/2012/WD-discovery-api-20121004/</a></div><div><br></div><div>They made similar decisions in the kind of SD protocols to support...</div><div><br></div><div>Regards,</div><div>Randy</div><div><br></div><div><br><div><div>On Dec 19, 2012, at 6:06 PM, K.D. Lucas <<a href="mailto:kdlucas@gmail.com">kdlucas@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Bill,<br><br>Thanks for the response. I've gotten about 10 responses or so from various parties. There seems to be various opinions, and the two most popular being DNS Service Discovery and WS-Discovery. SSDP also seems fairly lightweight to implement, since it is a part of UPnP spec. <br>
<br>We hope to make a decision over the next few weeks, and start implementing in Q1 of 2013.<br><br clear="all"><div>Kelly<br>kdLucas</div><br>
<br><br><div class="gmail_quote">On Wed, Dec 19, 2012 at 5:49 PM, William A Wagner <span dir="ltr"><<a href="mailto:wamwagner@comcast.net" target="_blank">wamwagner@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="blue" vlink="purple" lang="EN-US"><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Hi Kelly,<u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">I haven’t seen any other responses to your message, although I am sure it is not for lack of interest. The current IPP Everywhere spec requires that printers support </span><span style="font-family:"Calibri","sans-serif"">DNS Service Discovery (Bonjour) and WS-Discovery. The addition of WS-Discovery was at Microsoft’s request and, since most network printers already support both, this was easily agreed to. Indeed, most of the network printers that I am aware of have supported these discovery protocols as well as LDAP, SLP, and SSDP for well over five years now. It is not clear to me that manufacturers would be anxious to add yet another discovery protocol.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Bill Wagner</span><span style="font-family:"Calibri","sans-serif""><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<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:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:cloud-bounces@pwg.org" target="_blank">cloud-bounces@pwg.org</a> [mailto:<a href="mailto:cloud-bounces@pwg.org" target="_blank">cloud-bounces@pwg.org</a>] <b>On Behalf Of </b>K.D. Lucas<br>
<b>Sent:</b> Thursday, December 06, 2012 1:53 PM<br><b>To:</b> <a href="mailto:cloud@pwg.org" target="_blank">cloud@pwg.org</a><br><b>Subject:</b> [Cloud] Local Discovery<u></u><u></u></span></p></div><div><div class="h5"><p class="MsoNormal"><u></u> <u></u></p><p>Google is implementing local discovery. There are many protocols that implement local discovery (UPnP, Bonjour, SSDP, SLP, etc). Some of them are more complex, some less. Usually they require device manufacturers implementing HTTP server and XML parser.<u></u><u></u></p><p>We can also come up with a new very simple discovery protocol that will be very easy to implement in any type of printer, and that will likely use JSON (that we already use in cloud print communication).<u></u><u></u></p><p>Our goals is to reduce a pain associated with implementing local discovery and drive it's adoption.<u></u><u></u></p><p>One of the existing protocols (which one?) or new simple Cloud Print discovery?<br>Have they implemented any existing protocols already and how easy it was for them?<u></u><u></u></p>
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