Patent ID: 7652992
Filing Date: 2010-01-26
Classification: H04L

Abstract:
1. Apparatus for Resilient Packet Ring traffic management comprising: a stage queue selection block operable to hold client and control traffic for transmission and comprising a plurality of client queues, each client queue corresponding to a service level agreement; a plurality of queue level traffic shapers for each client queue, each queue level traffic shaper operable to control an add rate of client data add traffic and to provide queue specific send indications to the stage queue selection block; and a ringlet level traffic shaper operable to control traffic flow for a Resilient Packet Ring ringlet and to provide aggregate send indications to the stage queue selection block, wherein each queue level traffic shaper is configured according to: wherein numStations equals a number of Resilient Packet Ring Stations on the ring, mtuSize equals a Maximum Transmit Unit Size, lineRate equals a Ring bandwidth, numClients equals a Number of Class A Clients in the client tier, addRateA equals a Credit accumulation rate for Class A ringlet shaper, and Client_addRateA equals a Credit accumulation rate for the queue level traffic shaper.