Patent ID: 6473398
Filing Date: 2002-10-29
Classification: H04L,H04Q

Abstract:
A method of managing a packet switched network comprising a network manager for managing resources on the network, and a plurality of switch nodes, each said switch node having resources to be monitored and being in communication with said network manager, and wherein packets passing through said switch nodes are discarded in the event of congestion, comprising the steps of:setting a congestion indicator threshold (CIT) for each said resource at each switch node, said congestion indicator threshold representing a predetermined level of congestion; forwarding a congestion event indicator to said network manager immediately in response to the congestion level of a monitored resource exceeding the congestion threshold set therefor; and maintaining at the network manager a congestion status for the monitored resources of each switch node in response the receipt at said network manager of said congestion event indicators.