Patent ID: 6629263
Filing Date: 2003-09-30
Classification: G06F

Abstract:
A fault tolerant network element for exchanging messages with a remote network element in a Common Channel Signaling (CCS) system, said fault tolerant network element comprisinga first system including a first application providing added value services, a first protocol stack handling multiple dialogs comprising exchanges of said messages between said first application and said remote network element; a second system comprising a second application and a second protocol stack; said second system being arranged in a standby configuration to support a failure condition occurring on said first system; at least one database being accessible by said first application and said second application; and wherein said first and second protocol stacks each comprise: means for returning to its associated application the current state of a given one of said dialogs; and means for re-initializing the current state of the protocol stack with data provided by the associated application.