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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Inline<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Feel free to ask me more. I haven’t done it at your scale, but I have the entire expressway feature set deployed.<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA<br>
Network Engineer<br>
Direct Voice: 443.541.1518</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><br>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="https://www.facebook.com/heliontech?ref=hl"><span style="font-size:8.0pt;color:blue">Facebook</span></a></span><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D">
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Lelio Fulgenzi<br>
<b>Sent:</b> Monday, July 27, 2015 9:55 AM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] IM&P - Jabber for Everyone, MRA and private/public IP addressing<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Just curious what people's thoughts are about Jabber for Everyone, MRA (via expressway) and private/public IP addressing of the presence servers. I've tried to
 find some documents that explain things, even in summary format, but with no luck.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">My (random) concerns:<o:p></o:p></span></p>
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<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">- does expressway support third party xmpp clients?</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D">
 No</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">- does expressway support jabber for everyone? (IM&P only)</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D">
 Yes</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">- does expressway scale to the possibly 25,000 IM users I might have?</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D">
 No, See here: <a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab10/collab10/sizing.html#pgfId-1284691">
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab10/collab10/sizing.html#pgfId-1284691</a></span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I would doubt you’d ever have all 25k users off site though… expressway is only for remote users<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">- expressway does not support all the on premise features, like file transfer</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D">
 - <a href="http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/release_note/Cisco-Expressway-Release-Note-X8-5-1.pdf">
http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/release_note/Cisco-Expressway-Release-Note-X8-5-1.pdf</a></span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Scroll to page 7 bottom<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">- do i use private or public IP addresses? </span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D">Your
 expressway-e(s) is/are the only server(s) that gets exposed to the internet and even then you can NAT it and use 2 interfaces, one internal and one DMZ</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><br>
- no real details on how to deploy presence server on public IP but still use expressway for UC</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D"> – You don’t put a Presence server on a public ip. All External (MRA/XMPP/B2B)
 is via Expressway if you have it.</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Any ideas or pointers would help... Thanks!<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:#FDFDFD"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Lelio<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst, Network Infrastructure<br>
Computing and Communications Services (CCS)<br>
University of Guelph<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">519</span><span style="font-size:10.0pt;font-family:"Cambria Math",serif;color:black">‐</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">824</span><span style="font-size:10.0pt;font-family:"Cambria Math",serif;color:black">‐</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">4120
 Ext 56354<br>
<a href="mailto:lelio@uoguelph.ca">lelio@uoguelph.ca</a><br>
<a href="http://www.uoguelph.ca/ccs">www.uoguelph.ca/ccs</a><br>
Room 037, Animal Science and Nutrition Building<br>
Guelph, Ontario, N1G 2W1<o:p></o:p></span></p>
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