Patent ID: 7720972
Filing Date: 2010-05-18
Classification: G06F,H04L,Y10S

Abstract:
1. A capacity on demand computer system, comprising: a plurality of standby resources; a plurality of computers including a source computer and a destination computer that are geographically dispersed from one another, wherein each computer of the plurality of computers includes at least one standby resource of the plurality of standby resources physically dispersed thereto, and wherein the source computer includes a first plurality of standby resources physically dispersed thereto, a first subset of which are available and a second subset of which are unavailable for use by the source computer, and wherein the destination computer includes a second plurality of standby resources physically dispersed thereto, a first subset of which are available and a second subset of which are unavailable for use by the destination computer; and program code, disposed in at least one of the plurality of computers, the program code configured upon execution to manage usage of the plurality of standby resources by limiting availability to a first standby resource included within the first subset of standby resources in the first plurality of standby resources physically dispersed to the source computer; and in connection with limiting the availability to the first standby resource, programmatically transferring the availability to a second standby resource included within the second subset of standby resources in the second plurality of standby resources physically dispersed to the destination computer such that an aggregate total of standby resources made available to the source and destination computers is maintained after the availability has been transferred.