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Re: "Class A Data Center"

  • From: Scott Francis
  • Date: Wed Sep 24 16:10:26 2003 
On Wed, Sep 24, 2003 at 03:06:30PM -0400, [email protected] said:
> On Wed, 24 Sep 2003, Scott Francis wrote:
> 
> > I don't know if it qualifies as an "established standard", but ISTR that
> > Steve Bellovin had a paper about various levels of reliability in data
> > centers ... [searches] argh. I can't find it yet. Perhaps Mr. Bellovin can
> > refresh my memory ... the paper I'm recalling had specifications for 5 or so
> > different levels of reliability and redundancy in data centers (able to
> > withstand criminal attack, armed attack, conventional explosives, nuclear
> > explosion, acts of God, etc.) and was interesting reading. The focus, as I
> > recall, was on the level of engineering required to reach various levels of
> > uptime (99.9, 99.99, 99.999, etc.).
> > 
> > This ringing a bell for anyone else?
> 
> Do you mean <http://www.donelan.com/design/general.html>?

doh! Indeed I do mean that file. I got Bellovin and Doneland mentally
transposed for some reason. Apologies all (still thought that document was a
good read, though).
-- 
Scott Francis || darkuncle (at) darkuncle (dot) net
      illum oportet crescere me autem minui

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