Patent ID: 6233458
Filing Date: 2001-05-15
Classification: H04L,H04Q,H04W

Abstract:
A method for rerouting an ongoing connection in a telecommunications network comprising a plurality of network elements, the connection being routed through several network elements, at least two of the network elements being key network elements of the connection, each key network element holding context information about the connection, said information including the address of at least one other key network element of the connection, said method comprising, during an ongoing connection:monitoring the network to determine a need to replace any one of said key network elements on the connection by another network element, said another network element replacing said one key network element without changing an access node such as a base station; andas a response to having determined the need:loading necessary context information to said another network element; andreplacing, in the context information stored in other key network elements of the connection the address of the key network element to be replaced by the address of said another network element.