Percentage of time that a request for a page is returned within three seconds from on campus (target: 99.9%)

Month	%
Jan '12	100%
Feb '12	100%
Mar '12	99.99%
Apr '12	99.99%
May '12	99.97%
Jun '12	99.98%
Jul '12	99.95%
Aug '12	99.998%
Sep '12	99.99%
Oct '12	99.95%
Nov '12	99.95%
Dec '12	99.999%

Availability off-campus, as measured by Pingdom.com (30 second timeout, from at least 2 out of 10 locations ) (no target set)

Month	%
Jan '12	100%
Feb '12	100%
Mar '12	100%
Apr '12	99.98%
May '12	99.18%*
Jun '12	99.91%
Jul '12	99.97%
Aug '12	99.76%
Sep '12	99.77%
Oct '12	99.65%
Nov '12	99.91%
Dec '12	99.98%

* This downtime was caused by a failed JANET link between North America and the UK, which caused UK Higher Education websites to be unavailable sporadically from North America.

Percentage of time that a request for a websignon UserLookup request is returned within 5 seconds from within our datacenter* (target: 99.5%)

Month	%
Jan '12	100%
Feb '12	100%
Mar '12	99.99%
Apr '12	100%
May '12	100%
Jun '12	99.996%
Jul '12	99.97%
Aug '12	100%
Sep '12	100%
Oct '12	100%
Nov '12	100%
Dec '12	100%

* This might seem contrived. But 5 seconds is the threshold at which other applications will time-out a request to websignon, and since the vast majority of WSOS-enabled apps live in our datacentres, that's where we should measure from.