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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We sell it. That’s the only way we can really tweak it for our apps and architecture.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">There is some goodness to be had from a generic solution, but owning the entire path is the only way to get the kind of control that we really need.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">David<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<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"> Darin Steffl [mailto:darin.steffl@mnwifi.com]
<br>
<b>Sent:</b> Tuesday, October 03, 2017 3:53 PM<br>
<b>To:</b> Hiers, David <David.Hiers@cdk.com><br>
<b>Cc:</b> Paul Stamoulis <paul@everestbroadband.com>; voiceops@voiceops.org<br>
<b>Subject:</b> Re: [VoiceOps] SDWAN for VOIP<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Do you resell VeloCloud with a voice solution or just refer your voice customers to them to purchase the service?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Oct 3, 2017 at 4:47 PM, Hiers, David <<a href="mailto:David.Hiers@cdk.com" target="_blank">David.Hiers@cdk.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Hi guys,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">The voice requirements that were used were pretty simple-sounding, something like:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">1.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Move a call multiple times between multiple links in response to multiple link failures without losing audio quality or signaling</span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">2.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Conceal up to 5% packet loss from SIP and RTP on a single link</span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">3.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Simultaneously meet requirements 1 and 2 for any combination of links</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">The requirements sound simple, but you folks know how hard it would be to implement something like this. We had other requirements to deal with our
core application and data-center oddities, but those voice ones can pretty much stand alone.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">In retrospect, we might have phrased #2 in terms of “MOS per unit loss”. Something like “Calculated MOS score on a g.711 call can drop no more than
0.1 with 5% packet loss” would have been more measureable than a subjective ‘can you hear me now’ kind of opinion.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">We wound up going with VeloCloud.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Best advice is to shoot for the moon on your requirements, and test the living daylights out of it.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Staying away from all the NDA-breaking geeky stuff, here are warning signs to keep an eye out for:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">1.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Vendors that don’t let you run your own pilot. If they insist in being right there with you, their stuff isn’t ready for production.</span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">2.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Over-reliance on fancypants graphs. Amazing graphs are great and all, but not even close to being as important as actually fixing problems.</span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">3.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Scoping assertions. One vendor asserts that “an SDWAN can only be as good as the underlay network” because they simply can’t do error CORRECTION. If you buy off on their assertion, you’re doomed.</span><o:p></o:p></p>
<p class="m2273271513045117208msolistparagraph"><span style="color:#1F497D">4.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="color:#1F497D">Hiding behind “best effort”. Can’t tell you how many times we heard “oh, that feature is just best-effort, it might not work all the time” when we pressed them. For EVERY feature that is important, be sure that you nail
them down what actually works 100% of the time and what they implement as some kind of throw-away ‘best-effort’ slideware feature.
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">David</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> Paul Stamoulis [mailto:<a href="mailto:paul@everestbroadband.com" target="_blank">paul@everestbroadband.com</a>]
<br>
<b>Sent:</b> Tuesday, October 03, 2017 2:05 PM<br>
<b>To:</b> Hiers, David <<a href="mailto:David.Hiers@cdk.com" target="_blank">David.Hiers@cdk.com</a>>;
<a href="mailto:voiceops@voiceops.org" target="_blank">voiceops@voiceops.org</a><br>
<b>Subject:</b> RE: SDWAN for VOIP<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">David, thanks for the info – we are currently looking at this technology as well for services to remote locations and redundancy of network – can you share which carrier you are
using and with whom you are satisfied? Have you looked at any of the other carriers offering same? how about any other pros or cons between them?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-variant:small-caps;color:#222A35">Everest Broadband - Your Local Voice & Data Network Experts – we’re always nearby</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:8.0pt;font-variant:small-caps;color:#222A35"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-variant:small-caps;color:#222A35">Paul Stamoulis
<a href="tel:(212)%20444-3003" target="_blank">1 212 444 3003</a> <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__t.sidekickopen16.com_e1t_c_5_f18dQhb0S7lC8dDMPbW2n0x6l2B9nMJW7t5XZs5w6vTbVdD-2DFY7dKXNRW8qlRZx56dLX3f4fbXk602-3Ft-3Dhttp-253A-252F-252Fwww.everestbroadband.com-252F-26si-3D5992006913097728-26pi-3D1d0f87e6-2Da797-2D43e8-2Db66d-2D034c045bc663&d=DwMFAg&c=N13-TaG7c-EYAiUNohBk74oLRjUiBTwVm-KSnr4bPSc&r=-GzOCp0ppLaBQPFaZ7lZ4bUUBQxpFBukitRP75oaRdQ&m=izAmTbT9C20gHgUDya0H06r8yOS8p-AXQJ_EmhcYpNo&s=AHhRpyMCK2g4uzsU0ecTvykfvAdUSEYkz4AqUJ6yXR4&e=" target="_blank">
www.EverestBroadband.com</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-variant:small-caps;color:#222A35"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-variant:small-caps;color:#222A35">for technical support: call
<a href="tel:(800)%20918-1900" target="_blank">800-918-1900</a> option 1 email
<a href="mailto:Tickets@EverestBroadband.com" target="_blank">Tickets@EverestBroadband.com</a></span><o:p></o:p></p>
</div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> VoiceOps [<a href="mailto:voiceops-bounces@voiceops.org" target="_blank">mailto:voiceops-bounces@voiceops.org</a>]
<b>On Behalf Of </b>Hiers, David<br>
<b>Sent:</b> Tuesday, October 03, 2017 4:57 PM<br>
<b>To:</b> <a href="mailto:voiceops@voiceops.org" target="_blank">voiceops@voiceops.org</a><br>
<b>Subject:</b> [VoiceOps] SDWAN for VOIP<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Is anyone else using SDWAN for VOIP?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We can move a call between links and impose 10% packet loss and the users pretty much don’t notice anything. No loss of call control or mid-call signaling, barely detectable impact
on audio quality.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This is pretty much the only way we’ve found to deliver the quality that our (very demanding) customers require using a ‘bring your own bandwidth’ model.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">It has been such a game-changer for us that I’m being sent to SIPNOC to give a talk about it.
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">David<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is
not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, notify the sender immediately
by return email and delete the message and any attachments from your system.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
_______________________________________________<br>
VoiceOps mailing list<br>
<a href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a><br>
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</blockquote>
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<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal">-- <o:p></o:p></p>
<div>
<div>
<p class="MsoNormal">Darin Steffl<o:p></o:p></p>
<div>
<p class="MsoNormal">Minnesota WiFi<o:p></o:p></p>
</div>
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<p class="MsoNormal"><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.mnwifi.com_&d=DwMFaQ&c=N13-TaG7c-EYAiUNohBk74oLRjUiBTwVm-KSnr4bPSc&r=-GzOCp0ppLaBQPFaZ7lZ4bUUBQxpFBukitRP75oaRdQ&m=s6pk8j_qB7GpJfZYr1BBzPk-Pvf2reeSMlApRLHUvkE&s=q5c3dEn9XA2L1fPeOjU1HwPJQuZ9G01nMge0m4ytryM&e=" target="_blank">www.mnwifi.com</a><o:p></o:p></p>
</div>
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<p class="MsoNormal">507-634-WiFi<o:p></o:p></p>
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