Patent ID: 7779090
Filing Date: 2010-08-17
Classification: G06F,G06T,G11B

Abstract:
1. A method for communicating between a server computer system and client systems for image distribution, wherein the server computer system has a processor, the method comprising: receiving at the server computer system heartbeat communications on a periodic basis from client systems, each heartbeat communication containing client status information, wherein the heartbeat communications include: in response to receiving the first heartbeat communication from the first client system, in response to receiving the second heartbeat communication from the second client system, in response to receiving the third heartbeat communication from the third client system, in response to receiving the fourth heartbeat communication from the fourth client system, in response to receiving a subsequent heartbeat communication from one of the client systems, ensuring that the client status information contained in the subsequent heartbeat communication is in accordance with the state of that client system, wherein the acts of the method are performed by the server computer system.