Patent attributes
An image processing system using volume data comprising at least one node connected via a network, which is operative to monitor completion of a task property storing condition for storing a task property of a client terminal, collect the task property of a task state of the client terminal and store the collected task property in a state storing server when the task property storing condition is satisfied, read the task property which corresponds to the client terminal from the state storing server, restore the task state of the client terminal by using the read task property in a proxy node which is at least any one of the node and a node which is newly added to the image processing system, and resume processing to be performed on and after the time when the task property storing condition is satisfied.
