Re: How to choose a transport(terrestrial/subsea)

[Ben Cannon <ben () 6by7 net>]

More likely everyone bought IRUs out of the same ILEC’s single cable.

Or they just all go through the same single raceway to enter the building, etc.

-Ben.

- Ben Cannon, AS15206

> On Dec 19, 2018, at 9:41 AM, Rod Beck <rod.beck () unitedcablecompany com> wrote:
>
> 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. 
>
> - R. 
>
>
> From: NANOG <nanog-bounces () nanog org <mailto:nanog-bounces () nanog org>> on behalf of Mike Hammett <nanog () 
> ics-il net <mailto:nanog () ics-il net>>
> Sent: Wednesday, December 19, 2018 3:12 PM
> To: Mehmet Akcin
> Cc: nanog () nanog org <mailto:nanog () nanog org>
> Subject: Re: How to choose a transport(terrestrial/subsea)
>  
> 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.
>
> Some of it boils down to a lack of data quality about what they actually have.
>
>
>
> -----
> Mike Hammett
> Intelligent Computing Solutions <http://www.ics-il.com/>
>  <https://www.facebook.com/ICSIL> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> 
> <https://www.linkedin.com/company/intelligent-computing-solutions> <https://twitter.com/ICSIL>
> Midwest Internet Exchange <http://www.midwest-ix.com/>
>  <https://www.facebook.com/mdwestix> <https://www.linkedin.com/company/midwest-internet-exchange> 
> <https://twitter.com/mdwestix>
> The Brothers WISP <http://www.thebrotherswisp.com/>
>  <https://www.facebook.com/thebrotherswisp> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg>
> From: "Mehmet Akcin" <mehmet () akcin net <mailto:mehmet () akcin net>>
> To: "James Breeden" <James () arenalgroup co <mailto:James () arenalgroup co>>
> Cc: nanog () nanog org <mailto:nanog () nanog org>
> Sent: Tuesday, December 18, 2018 12:17:42 PM
> Subject: Re: How to choose a transport(terrestrial/subsea)
>
> 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.
>
> On Tue, Dec 18, 2018 at 6:49 AM James Breeden <James () arenalgroup co <mailto:James () arenalgroup co>> wrote:
> 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.
>
> 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.... 
>
>
> James W. Breeden
> Managing Partner
>  
>
> Arenal Group: Arenal Consulting Group | Acilis Telecom | Pines Media
> PO Box 1063 | Smithville, TX 78957
> Email: james () arenalgroup co <mailto:james () arenalgroup co> | office 512.360.0000 | cell 512.304.0745 | 
> www.arenalgroup.co <http://www.arenalgroup.co/>
> From: NANOG <nanog-bounces () nanog org <mailto:nanog-bounces () nanog org>> on behalf of Brandon Martin <lists.nanog 
> () monmotha net <mailto:lists.nanog () monmotha net>>
> Sent: Monday, December 17, 2018 4:59:44 PM
> To: nanog () nanog org <mailto:nanog () nanog org>
> Subject: Re: How to choose a transport(terrestrial/subsea)
>  
> On 12/17/18 3:51 PM, Mehmet Akcin wrote:
> > One question, how much people care about vendor diversity? I do and did 
> > care. I don’t want to put all my eggs in one basket. Do you care? Thank you
>
> There are advantages and disadvantages to vendor diversity.
>
> As advantages, you won't be subject to complete loss of connection 
> because of a single dispute or provisioning/control plane issue with 
> that one vendor.  You can also more easily pit vendors against each 
> other for pricing if you are already vendor-diverse.
>
> As a disadvantage, not only does vendor diversity obviously not imply 
> route diversity, but it will completely put the onus on you to ensure 
> route diversity if you want it.  With a single vendor, you can demand 
> that your circuits have route diversity and, assuming you trust them, 
> they have all the information they need to make that happen for you.
> -- 
> Brandon Martin