Re: "Class A Data Center"

[Owen DeLong <owen () delong com>]

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 () research att com> wrote:

> In message <20030924182025.GA87443 () darkuncle net>, Scott Francis writes:
> > On Thu, Sep 18, 2003 at 03:58:31PM -0400, bobgerman () 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