Patent ID: 7159147
Filing Date: 2007-01-02
Classification: G06F,G06T,H04L,H05B

Abstract:
1. In a distributed computing environment, a method for tracking the state of an object on behalf of a client by a tracking system having at least four possible states including waiting for a client to register an interest in the object, initializing a reference to the object, watching for the object to enter the up state and monitoring the object to enter the down state, comprising: determining the current state of an object utilizing a reference to the object created during the initializing state in response to a client request to register an interest in the object; and if the object is in the up state, notifying the client that the object is up and entering the monitoring object state, and if the object is not in the up state, notifying the client that the object is down and entering the watching object state.