Localized congestion mitigation for interior gateway protocol (IGP) networks

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11949596
SERIAL NO

18353649

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Abstract

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Data defining egress bandwidth utilization on an interface of a node may be obtained and a congestion event may be detected based at least in part on an average interface utilization (Y) being greater than a first threshold (X1). A plurality of alternate links that can accommodate excess bandwidth without exceeding the first threshold may be identified. Flows associated with the plurality of alternate links may be filtered based at least in part on business logic macro flow filtering. It may be determined whether the plurality of alternate links pass a diffusing update algorithm (DUAL)-based loop-free path-finding algorithm (LPA) analysis for the destination node prefixes whether the destination node prefixes pass the DUAL-based LPA analysis for the at least one of the plurality of alternate links and a plurality of next hops associated with the at least one of the plurality of alternate links.

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Patent Owner(s)

  • CISCO TECHNOLOGY INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Poojary, Praveen Shrinivas Jersey city, US 1 0
Prajapati, Dhrumil Apex, US 1 0
Suvarna, Navin Ashok Holly Springs, US 1 0
Vaidyanathan, Sridhar Mumbai, IN 1 0

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