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US Patent 11689446 Shortest path bridging (SPB) multi area

Patent 11689446 was granted and assigned to Extreme Networks on June, 2023 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
Extreme Networks
Extreme Networks
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Current Assignee
Extreme Networks
Extreme Networks
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116894460
Date of Patent
June 27, 2023
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Patent Application Number
171689000
Date Filed
February 5, 2021
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Patent Citations
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US Patent 10382333 Fabric path context-based forwarding for virtual nodes
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US Patent 11489757 Shortest path bridging (SPB) multi area
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Patent Citations Received
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US Patent 12113707 MAC-based redistribution in multi-area networks
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Patent Primary Examiner
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Hermon Asres
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CPC Code
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H04L 45/122
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H04L 45/123
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H04L 45/42
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Disclosed herein are system, method, and computer program product aspects for multiple instance Intermediate System to Intermediate System (IS-IS or ISIS) for a multi-area fabric. A network area in a multi-area fabric includes one or more network nodes and a boundary node shared with an other network area of the multi-area fabric outside of the network area. The boundary node can include a first ISIS instance associated with the network area and a second ISIS instance associated with the other network area. The second ISIS instance can be configured to pass information associated with the other network area to the first ISIS instance.

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