Do not forget physical security (including, but not limited to, access control & surveillance -- different logs, videos, and people to control), local/municipal/state laws and regulations (e.g. fire control standards), personnel to manage all that sites (even third-party)... IMHO too much administrative burden. :-(
Abraços, Marlon Borba, CISSP, APC DataCenter Associate Técnico Judiciário - Segurança da Informação TRF 3 Região (11) 3012-1683 -- Practically no IT system is risk free. (NIST Special Publication 800-30) -- >>> "vijay gill" <[EMAIL PROTECTED]> 31/03/08 2:27 >>> [...] On Sun, Mar 23, 2008 at 2:15 PM, <[EMAIL PROTECTED]> wrote: > > Given that power and HVAC are such key issues in building > big datacenters, and that fiber to the office is now a reality > virtually everywhere, one wonders why someone doesn't start > building out distributed data centers. Essentially, you put > mini data centers in every office building, possibly by > outsourcing the enterprise data centers. Then, you have a > more tractable power and HVAC problem. You still need to > scale things but it since each data center is roughly comparable > in size it is a lot easier than trying to build out one > big data center. > Latency matters. Also, multiple small data centers will be more expensive than a few big ones, especially if you are planning on average load vs peak load heat rejection models. [...]
