"Class A Data Center"

Wed Sep 24 19:44:45 UTC 2003

Try looking under Sean Donnelan (sp?  Sorry Sean).

I think you are referring to something he did.  However, I don't remember
for sure.

Owen

--On Wednesday, September 24, 2003 3:34 PM -0400 "Steven M. Bellovin" 
<smb at research.att.com> wrote:

>
> In message <20030924182025.GA87443 at darkuncle.net>, Scott Francis writes:
>>
>>
>>
>> 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
>
>