Patent ID: 7782765
Filing Date: 2010-08-24
Classification: H04B,H04L,H04W

Abstract:
1. A method for providing distributed protection switching in a communication system, comprising the steps of: providing a plurality of communication modules at least one of which being in an active state and at least one other of which being in a standby state, each of the plurality of communication modules having a switching controller and being operative to process a data stream; providing a plurality of data processing units (DPUs) operatively connected to the switching controllers in the plurality of the communication modules; performing quality measurements of said data stream by said switching controllers; providing a signal from the switching controllers to each of the plurality of DPUs as a function of the quality measurements of said data stream; making a switching decision, by one or more of the plurality of DPUs, based on the signals respectively received from the switching controllers; and providing a switching signal from at least one of said plurality of DPUs in response to the switching decision being to switch the active state to a standby state and the standby state to the active state.