"Class A Data Center"

Wed Sep 24 19:34:56 UTC 2003

In message <20030924182025.GA87443 at darkuncle.net>, Scott Francis writes:
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>
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>On Thu, Sep 18, 2003 at 03:58:31PM -0400, bobgerman at irides.com said:
>>=20
>>=20
>> This is the assumption I have come to as well.  Are there any
>> established standards for enterprise datacenters at all, aside from the
>> obvious, N+1 redundant everything, diverse paths, etc.?
>
>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.).

Not me.

		--Steve Bellovin, http://www.research.att.com/~smb