North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: "Class A Data Center"
In message <[email protected]>, Scott Francis writes: > > > >On Thu, Sep 18, 2003 at 03:58:31PM -0400, [email protected] 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
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