A system for using a lease to detect a failure and to perform failure recovery is provided. In using this system, a client requests a lease from a server to utilize a resource managed by the server for a period of time. Responsive to the request, the server grants the lease, and the client continually...http://www.google.ca/patents/US6243716?utm_source=gb-gplus-sharePatent US6243716 - Methods and systems for distributed failure detection and recovery using leasing
