<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;" class="">More likely everyone bought IRUs out of the same ILEC’s single cable.<div class=""><br class=""></div><div class="">Or they just all go through the same single raceway to enter the building, etc.</div><div class=""><br class=""><div class="">-Ben.</div><div class=""><br class=""><div class="">
<div class="">- Ben Cannon, AS15206</div>
</div>
<br class=""><div><blockquote type="cite" class=""><div class="">On Dec 19, 2018, at 9:41 AM, Rod Beck <<a href="mailto:rod.beck@unitedcablecompany.com" class="">rod.beck@unitedcablecompany.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">Some of it is due to lazy buyers purchasing two IP ports from distinct companies without considring that two ports both located at the site are vulnerable to shared risers or entrance facilities.<span class="Apple-converted-space"> </span><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">- R.<span class="Apple-converted-space"> </span><br class=""></div><br class=""><br class=""><div style="" class=""><hr tabindex="-1" style="display: inline-block; width: 1343.578125px;" class=""><div id="divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>NANOG <<a href="mailto:nanog-bounces@nanog.org" class="">nanog-bounces@nanog.org</a>> on behalf of Mike Hammett <<a href="mailto:nanog@ics-il.net" class="">nanog@ics-il.net</a>><br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Wednesday, December 19, 2018 3:12 PM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>Mehmet Akcin<br class=""><b class="">Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:nanog@nanog.org" class="">nanog@nanog.org</a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: How to choose a transport(terrestrial/subsea)</font><div class=""> </div></div><div class=""><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;" class="">If people start spot-checking this stuff more regularly, perhaps the companies being verified will take delivering the correct product the first time more seriously.<br class=""><br class="">Some of it boils down to a lack of data quality about what they actually have.<br class=""><br class=""><div class=""><span name="x_x" class=""></span><br style="font-family: 'Times New Roman'; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px;" class=""><br style="font-family: 'Times New Roman'; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px;" class=""><span style="font-family: 'Times New Roman'; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; float: none; display: inline !important;" class="">-----</span><br style="font-family: 'Times New Roman'; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px;" class=""><span style="font-family: 'Times New Roman'; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; float: none; display: inline !important;" class="">Mike Hammett</span><br style="font-family: 'Times New Roman'; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; 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font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px;"><img src="http://www.ics-il.com/images/youtubeicon.png" style="border: 0pt none;" class=""></a><span name="x_x" class=""></span><br class=""></div><hr id="x_zwchr" class=""><div style="font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica, Arial, sans-serif; font-size: 12pt;" class=""><b class="">From:<span class="Apple-converted-space"> </span></b>"Mehmet Akcin" <<a href="mailto:mehmet@akcin.net" class="">mehmet@akcin.net</a>><br class=""><b class="">To:<span class="Apple-converted-space"> </span></b>"James Breeden" <<a href="mailto:James@arenalgroup.co" class="">James@arenalgroup.co</a>><br class=""><b class="">Cc:<span class="Apple-converted-space"> </span></b><a href="mailto:nanog@nanog.org" class="">nanog@nanog.org</a><br class=""><b class="">Sent:<span class="Apple-converted-space"> </span></b>Tuesday, December 18, 2018 12:17:42 PM<br class=""><b class="">Subject:<span class="Apple-converted-space"> </span></b>Re: How to choose a transport(terrestrial/subsea)<br class=""><br class=""><div dir="ltr" class="">That's a great example. Thank you James for sharing. I have done so many "GROUND TRUTH" visits where randomly selected certain physical points to validate physical diversity. Have seen several places where dual risers in the building were present or multiple building entries were available but not used. Ground truth events are certainly important and can be eye opening. It does not necessarily scale as you can't really walk all the fiber A-Z everywhere.. i know.</div><br class=""><div class="x_gmail_quote"><div dir="ltr" class="">On Tue, Dec 18, 2018 at 6:49 AM James Breeden <<a href="mailto:James@arenalgroup.co" target="_blank" id="LPlnk600875" class="OWAAutoLink" previewremoved="true">James@arenalgroup.co</a>> wrote:<br class=""></div><blockquote class="x_gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div dir="ltr" class=""><div id="x_gmail-m_-8618401276787788697divtagdefaultwrapper" dir="ltr" style="font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">I can't stress enough the importance of controlling your own route and even cable diversity. Require KMZs of the routes for any services you take (especially single path Wave type services). Put them in the contracts if you can.</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">I've had at least 1 situation where we had vendor diversity and what was supposed to be route diversity- 3 separate waves coming south and southeast out of a datacenter to 3 separate cities. Imagine my surprise when we took a outage one day that severed all 3 circuits. Yes all 3 circuits, going to 3 separate cities, on 3 separate carrier/s DWDM platforms, all happened to show up in the same sheath of cable at one location that happened to experience backhoe fade. Was not a good day.... </div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div id="x_gmail-m_-8618401276787788697Signature" class=""><div id="x_gmail-m_-8618401276787788697divtagdefaultwrapper" dir="ltr" style="font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif, EmojiFont, 'Apple Color Emoji', 'Segoe UI Emoji', NotoColorEmoji, 'Segoe UI Symbol', 'Android Emoji', EmojiSymbols;" class=""><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><b class="">James W. Breeden</b></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><i class=""><span style="font-size: 10pt;" class="">Managing Partner</span></i></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><i class=""> </i></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><b class=""><img id="x_gmail-m_-8618401276787788697x_Picture_x0020_1" alt="logo_transparent_background" width="158" height="96" style="width: 1.6458in; height: 1in;" class=""></b></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><b class=""><span style="font-size: 10pt; color: rgb(192, 0, 0);" class="">Arenal Group:</span></b><span style="font-size: 10pt; color: rgb(192, 0, 0);" class=""> Arenal Consulting Group | Acilis Telecom | Pines Media</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><span style="font-size: 10pt; color: rgb(127, 127, 127);" class="">PO Box 1063 | Smithville, TX 78957</span></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(33, 33, 33);" class=""><span style="font-size: 10pt;" class="">Email: <a href="mailto:james@arenalgroup.co" id="LPlnk810897" target="_blank" class="OWAAutoLink" previewremoved="true"><span style="color: windowtext;" class="">james@arenalgroup.co</span></a> | office 512.360.0000 | cell 512.304.0745 | <a href="http://www.arenalgroup.co/" id="LPlnk178324" target="_blank" class="OWAAutoLink" previewremoved="true"><span style="color: windowtext;" class="">www.arenalgroup.co</span></a></span></div></div></div></div><hr style="display: inline-block; width: 1327.84375px;" class=""><div id="x_gmail-m_-8618401276787788697divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>NANOG <<a href="mailto:nanog-bounces@nanog.org" target="_blank" id="LPlnk424309" class="OWAAutoLink" previewremoved="true">nanog-bounces@nanog.org</a>> on behalf of Brandon Martin <<a href="mailto:lists.nanog@monmotha.net" target="_blank" id="LPlnk801360" class="OWAAutoLink" previewremoved="true">lists.nanog@monmotha.net</a>><br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Monday, December 17, 2018 4:59:44 PM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:nanog@nanog.org" target="_blank" id="LPlnk409553" class="OWAAutoLink" previewremoved="true">nanog@nanog.org</a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: How to choose a transport(terrestrial/subsea)</font><div class=""> </div></div><div class="x_gmail-m_-8618401276787788697BodyFragment"><font size="2" class=""><span style="font-size: 11pt;" class=""><div class="x_gmail-m_-8618401276787788697PlainText">On 12/17/18 3:51 PM, Mehmet Akcin wrote:<br class="">><span class="Apple-converted-space"> </span><br class="">> One question, how much people care about vendor diversity? I do and did<span class="Apple-converted-space"> </span><br class="">> care. I don’t want to put all my eggs in one basket. Do you care? Thank you<br class=""><br class="">There are advantages and disadvantages to vendor diversity.<br class=""><br class="">As advantages, you won't be subject to complete loss of connection<span class="Apple-converted-space"> </span><br class="">because of a single dispute or provisioning/control plane issue with<span class="Apple-converted-space"> </span><br class="">that one vendor. You can also more easily pit vendors against each<span class="Apple-converted-space"> </span><br class="">other for pricing if you are already vendor-diverse.<br class=""><br class="">As a disadvantage, not only does vendor diversity obviously not imply<span class="Apple-converted-space"> </span><br class="">route diversity, but it will completely put the onus on you to ensure<span class="Apple-converted-space"> </span><br class="">route diversity if you want it. With a single vendor, you can demand<span class="Apple-converted-space"> </span><br class="">that your circuits have route diversity and, assuming you trust them,<span class="Apple-converted-space"> </span><br class="">they have all the information they need to make that happen for you.<br class="">--<span class="Apple-converted-space"> </span><br class="">Brandon Martin</div></span></font></div></div></blockquote></div></div></div></div></div></div></div></blockquote></div><br class=""></div></div></body></html>