<html><body><div style="font-family: Verdana; font-size: 10pt; color: #000000"><div><br></div><div>Thanks for your answers Matthew.</div><div><br></div><div>My concern with the scale is this: If we deploy this to all our students, they will install the software on their laptops and mobile devices and that software will continue to run when they leave the campus and go home. Some of them will want to continue to use it actively, but others might just have it running in the background. Not sure if there are timers that log people out, but it was my understanding that Jabber has been modified to keep them logged in always. This means, those 25,000 active users on campus, now become 25,000 active users off campus.</div><div><br></div><div>Then again, I could totally be missing something here. Not sure if setting up multiple multi-node MRA clusters is a solution?</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><span name="x"></span>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst, Network Infrastructure<br>Computing and Communications Services (CCS)<br>University of Guelph<br><div><br></div>519‐824‐4120 Ext 56354<br>lelio@uoguelph.ca<br>www.uoguelph.ca/ccs<br>Room 037, Animal Science and Nutrition Building<br>Guelph, Ontario, N1G 2W1<span name="x"></span><br></div><div><br></div><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;" data-mce-style="color: #000; font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 12pt;"><b>From: </b>"Matthew Loraditch" <MLoraditch@heliontechnologies.com><br><b>To: </b>"Lelio Fulgenzi" <lelio@uoguelph.ca>, cisco-voip@puck.nether.net<br><b>Sent: </b>Monday, July 27, 2015 10:12:52 AM<br><b>Subject: </b>RE: [cisco-voip] IM&P - Jabber for Everyone,        MRA and private/public IP addressing<br><div><br></div><style><!--

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--></style><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Inline</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-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.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> </span></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto" data-mce-style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-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" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><br> <br> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><a href="https://www.facebook.com/heliontech?ref=hl" target="_blank" data-mce-href="https://www.facebook.com/heliontech?ref=hl"><span style="font-size:8.0pt;color:blue" data-mce-style="font-size: 8.0pt; color: blue;">Facebook</span></a></span><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> | </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><a href="https://twitter.com/HelionTech" target="_blank" data-mce-href="https://twitter.com/HelionTech"><span style="font-size:8.0pt;color:blue" data-mce-style="font-size: 8.0pt; color: blue;">Twitter</span></a></span><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> | </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><a href="https://www.linkedin.com/company/helion-technologies?trk=top_nav_home" target="_blank" data-mce-href="https://www.linkedin.com/company/helion-technologies?trk=top_nav_home"><span style="font-size:8.0pt;color:blue" data-mce-style="font-size: 8.0pt; color: blue;">LinkedIn</span></a></span><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 8.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> | </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"><a href="https://plus.google.com/+Heliontechnologies/posts" target="_blank" data-mce-href="https://plus.google.com/+Heliontechnologies/posts"><span style="font-size:8.0pt;color:blue" data-mce-style="font-size: 8.0pt; color: blue;">G+</span></a></span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;"> </span></p><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in" data-mce-style="border: none; border-top: solid #E1E1E1 1.0pt; padding: 3.0pt 0in 0in 0in;"><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif;">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif" data-mce-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</span></p></div></div><p class="MsoNormal"> </p><div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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.</span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><div><div><p class="MsoNormal" style="background:#FDFDFD" data-mce-style="background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;">My (random) concerns:</span></p></div><div><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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" data-mce-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" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"></span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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" data-mce-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" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"></span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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" data-mce-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" target="_blank" data-mce-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" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"></span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-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</span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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" data-mce-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" target="_blank" data-mce-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" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"></span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D" data-mce-style="font-size: 11.0pt; font-family: 'Calibri',sans-serif; color: #1f497d;">Scroll to page 7 bottom</span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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" data-mce-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" data-mce-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" data-mce-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" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"></span></p><p style="margin:0in;margin-bottom:.0001pt;background:#FDFDFD" data-mce-style="margin: 0in; margin-bottom: .0001pt; background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><div><p class="MsoNormal" style="background:#FDFDFD" data-mce-style="background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;">Any ideas or pointers would help... Thanks!</span></p></div><div><p class="MsoNormal" style="background:#FDFDFD" data-mce-style="background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><div><p class="MsoNormal" style="background:#FDFDFD" data-mce-style="background: #FDFDFD;"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;">Lelio</span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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</span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-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" data-mce-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" data-mce-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" data-mce-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" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;">4120 Ext 56354<br> <a href="mailto:lelio@uoguelph.ca" target="_blank" data-mce-href="mailto:lelio@uoguelph.ca">lelio@uoguelph.ca</a><br> <a href="http://www.uoguelph.ca/ccs" target="_blank" data-mce-href="http://www.uoguelph.ca/ccs">www.uoguelph.ca/ccs</a><br> Room 037, Animal Science and Nutrition Building<br> Guelph, Ontario, N1G 2W1</span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black" data-mce-style="font-size: 10.0pt; font-family: 'Verdana',sans-serif; color: black;"> </span></p></div></div></div></div><div><br></div></div></body></html>