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US Patent 11570092 Methods for active-active stateful network service cluster

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TimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
115700921
Date of Patent
January 31, 2023
1
Patent Application Number
156651111
Date Filed
July 31, 2017
1
Patent Citations
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US Patent 10044617 Stateful services on stateless clustered edge
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US Patent 10390290 Flow processing migration
1
Patent Citations Received
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US Patent 11949589 Methods and systems for service state replication using original data packets
3
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US Patent 11962564 Anycast address for network address translation at edge
4
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US Patent 11909818 Reaching a quorum with a number of master nodes
5
Patent Primary Examiner
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Thuong Nguyen
1
CPC Code
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H04L 45/74
1
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H04L 41/0806
1
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H04L 67/142
1
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H04L 63/00
1
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H04L 45/46
1
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H04L 67/10
1

For a managed network, some embodiments provide a method for a set of service nodes in an active-active service node cluster in conjunction with a host computer hosting a destination data compute node (DCN) to improve the efficiency of directing a data message to a service node storing state information for the flow to which the data message belongs. a first service node receives a data message in a particular data message flow for which it does not maintain state information. The first service node then identifies a second service node to process the data message and forwards the data message to the second service node. The second service node sends state information for the particular data message flow to the first service node, for the first service node to use to process subsequent data messages in the particular data message flow.

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