Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 31, 2011
Patent Application Number
12138596
Date Filed
June 13, 2008
Patent Primary Examiner
Patent abstract
A distributed system has a multiplicity of nodes. A group of the nodes subscribe to a group services process. The group is subject to dissolving. A list of persistent subscribers to the group is maintained. Subscriptions to members and states of the group that are persistent subscribers do not terminate in response to the group being dissolved. The persistent subscribers automatically receive a notice in response to the group being reestablished and do not need to re-subscribe to the group.
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