Patent ID: 9356868
Filing Date: 2016-05-31
CPC Classification: H04L

Claim Text:
1. A method for congestion detection and management, the method comprising: monitoring, at a node of a network, one or more characteristics associated with a queue; identifying the queue as a congested queue by determining that the one or more characteristics of the queue meet one or more criteria; identifying the congested queue as a congestion root by determining that a departure rate of the data packets associated with the congested queue has not reduced during a predetermined time period; and controlling the congestion without affecting data flows that are not contributing to the congestion at the congestion root, wherein the one or more characteristics of the queue comprises a queue size associated with the queue and a rate of change of the queue size, and wherein the one or more criteria includes at least one of the queue size or the rate of change of the queue size being larger than a respective first or second threshold.