Patent ID: 6822940
Filing Date: 2004-11-23
Classification: H04L

Abstract:
A method for adaptively enforcing Quality of Service (QoS) policies for one or more flows of packets in a packet-switched network based on network feedback information, comprising the computer-implemented steps of:assigning packets of a first group of flows to a first service level; receiving then-current interface congestion information for network traffic that is mapped to said first service level and that is passing through an interface of a network device in the network; selecting one or more flows from the first group of flows based on the then-current interface congestion information; reassigning packets from said one or more flows to a second service level; and wherein the step of receiving then-current interface congestion information includes the steps of: directing one or more network devices to collect dropped packet information for at least one of said first group of flows associated with said first service level; and retrieving said dropped packet information from said one or more network devices for said at least one of said first group of flows associated with said first service level.