Re: Class A Data Center
On Thu, Sep 18, 2003 at 03:58:31PM -0400, [EMAIL PROTECTED] said: 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.). This ringing a bell for anyone else? -- Scott Francis || darkuncle (at) darkuncle (dot) net illum oportet crescere me autem minui pgp0.pgp Description: PGP signature
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
Re: Class A Data Center
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 [EMAIL PROTECTED] wrote: 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
Re: Class A Data Center
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 pgp0.pgp Description: PGP signature
Class A Data Center
Can anyone point me to a set of standards that define a Class A Data Center? I'm not asking for requirements, but an actual pointer to standards hammered out by an organization or governing body. Thanks.
Re: Class A Data Center
On Thu, 18 Sep 2003 12:08:43 EDT, Bob German [EMAIL PROTECTED] said: Can anyone point me to a set of standards that define a Class A Data Center? I'm not asking for requirements, but an actual pointer to standards hammered out by an organization or governing body. must have connectivity from a Tier-1 provider? :) pgp0.pgp Description: PGP signature
Re: Class A Data Center
On Thu, 18 Sep 2003 [EMAIL PROTECTED] wrote: On Thu, 18 Sep 2003 12:08:43 EDT, Bob German [EMAIL PROTECTED] said: Can anyone point me to a set of standards that define a Class A Data Center? I'm not asking for requirements, but an actual pointer to standards hammered out by an organization or governing body. must have connectivity from a Tier-1 provider? :) Both We have a Class A Data Center and We are a Tier-1 provider translate to I am a salesperson. HTH. HAND. -- Jay Hennigan - CCIE #7880 - Network Administration - [EMAIL PROTECTED] WestNet: Connecting you to the planet. 805 884-6323 WB6RDV NetLojix Communications, Inc. - http://www.netlojix.com/
RE: Class A Data Center
Particularly of interest would be established standards for Class A Datacenter specifically relating to the physical plant -- Power, cooling, physical security, etc. I think we can all agree in general on N+1 everything, and we can go round and round again on what exactly constitutes Tier-1 provider, but what about the physical space itself? I can put a fully-redundant network with multiple Tier-1 connections in my garage but I still wouldn't consider my garage to then be a Class A Datacenter. Andrew -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bob German Sent: Thursday, September 18, 2003 3:59 PM To: 'Jay Hennigan' Cc: [EMAIL PROTECTED] Subject: RE: Class A Data Center 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.? On Thu, 18 Sep 2003 [EMAIL PROTECTED] wrote: On Thu, 18 Sep 2003 12:08:43 EDT, Bob German [EMAIL PROTECTED] said: Can anyone point me to a set of standards that define a Class A Data Center? I'm not asking for requirements, but an actual pointer to standards hammered out by an organization or governing body. must have connectivity from a Tier-1 provider? :)
Re: Class A Data Center
[EMAIL PROTECTED] wrote: Particularly of interest would be established standards for Class A Datacenter specifically relating to the physical plant -- Power, cooling, physical security, etc. I think we can all agree in general on N+1 everything, and we can go round and round again on what exactly constitutes Tier-1 provider, but what about the physical space itself? I can put a fully-redundant network with multiple Tier-1 connections in my garage but I still wouldn't consider my garage to then be a Class A Datacenter. And let's not forget that they need to have good staffing, especially the abuse department. -Jack
