Zone consistency
A computer implemented method, system, and computer program product for enabling consistency between zones comprising creating a lease agreement between a first zone and at least a second zone; wherein the lease indicates that the first zone is the owner of an object; wherein the lease agreement dictates that a notification is to be sent before a cached object in the first zone is updated if the lease is still valid; wherein the lease indicates the first zone is to send a heartbeat to the second zone within the predetermined period of time if the object has not been changed and the lease is still valid; and setting up heartbeats from the first zone to at least a second zone within a predetermined amount of time; wherein the heartbeat indicates that the lease is still valid and the object has not been changed.
EMC IP Holding Company, LLC
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Peter Jun Shashwat Vishrut Sriram Huapeng Chen Subba Andrew Qi
Musial Luo Srivastav Shah Sankaran Yuan Wang Gaddamadugu Robertson Zhang