Patent ID: 6412017
Filing Date: 2002-06-25
Classification: G06F

Abstract:
In a distributed computer system, a method of expediting the replication of a source object in a source computer to a destination replica object in a destination replica in the system wherein the state of the source object has changed from a first to a second state, comprising the steps of:notifying a source replication facility that the source object has changed state, requesting, by the source replication facility in response to the notifying step, a difference generated with regard to the source object changed state and receiving the difference, transmitting, by the source replication facility, the difference to the destination replica, receiving, by the destination replica, the transmitted difference, applying, by the destination replica, the difference to the destination replica object, and assigning an urgency value to the change in the source object state, and sending the urgency value to the source replication facility, wherein the source replication facility delays for a time interval having a duration corresponding to the urgency value of the change before requesting or transmitting the difference.