nanog mailing list archives

Re: Why the US Government has so many data centers


From: Rafael Possamai <rafael () e2wsolutions com>
Date: Tue, 22 Mar 2016 11:23:17 -0500

Circuit utilization, capacity and availability shouldn't be calculated
separately in a data center environment. If you look at each separately you
risk making some expensive mistakes.


*Rafael Possamai*
Founder & CEO at E2W Solutions
*office:* (414) 269-6000
*e-mail:* rafael () e2wsolutions com


On Tue, Mar 22, 2016 at 11:11 AM, Sean Donelan <sean () donelan com> wrote:

On Tue, 22 Mar 2016, Jay R. Ashworth wrote:

But when some Armenian script kiddie DDoSing Netflix takes down your TSA
terrorist lookup service, and you come to me asking why the plane blew up,
I'm going to tell you "because you fucking ignored my written advice on
the matter", while I'm packing my desk.


DOCI is about physical data center opimization, not about network or
service availability.

DCOI metrics:
- Energy metering
- Power Usage Effectiveness (PUE)
- Virtualization
- Server Utilization & Automated Monitoring
- Facility Utilization

Why do you have two circuits with only 40% utilization. The auditor says
that's waste, and you only need one circuit at 80% utilization for half
the cost.





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