Efficient state change support for hierarchical data models in a virtualized system

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United States of America Patent

PATENT NO 9875275
SERIAL NO

15243273

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Abstract

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Methods, systems and computer readable media for efficient state change support for hierarchical data models in a virtualized system are described. In some implementations, the method can include determining a system status including a system-level bit masked word having a plurality of bits, each bit corresponding to a status of a different hierarchical level of the system, and receiving a change notification. The method can also include querying an entity at a lower hierarchy level if a cascaded state change is identified for that entity. The method can further include continuing to query one or more entities in successively lower hierarchy levels so long as a cascaded state change is identified for a corresponding entity in a lower hierarchy level. The method can also include determining the current status for one or more entities having a changed status. Identifying a cascaded state change can include performing a logical exclusive OR operation on a previous status bit masked word and a current status bit masked word of an entity.

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Patent Owner(s)

Patent OwnerAddress
EXTREME NETWORKS INC6480 VIA DEL ORO SAN JOSE CA 95119

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krishna, Nishant Gaya, IN 9 48
Rao, Seetharam V Bangalore, IN 4 13
Sthavarmath, Prashantkumar S Shahapur, IN 2 5

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