A method for simulating different MTTR settings includes determining a simulated MTTR setting and providing a simulated checkpoint queue. The simulated checkpoint queue is associated with the simulated MTTR setting and is an ordered list of one or more elements. Each element represents a buffer, and...http://www.google.com/patents/US7020599?utm_source=gb-gplus-sharePatent US7020599 - Mean time to recover (MTTR) advisory