Patent ID: 7706388
Filing Date: 2010-04-27
Classification: H04L

Abstract:
1. A method for guaranteeing service reliability in an end-to-end Quality of Service (QoS) framework, comprising: performing a consistency check comprising checking whether connection information held in all node equipment gone through by a session connection is consistent; if it is, finishing the consistency check; otherwise, releasing the inconsistent connection information from every node equipment; wherein checking whether connection information held in all node equipment gone through by a session connection is consistent comprises: A1. selecting a piece of node equipment from all the node equipment gone through by the session connection, and sending a consistency check request to the selected node equipment; B1. the selected node equipment, which has received the consistency check request determining whether the connection information reserved in every module of itself is consistent; if it is, executing Step C1; otherwise, releasing the inconsistent connection information before executing Step C1; C1. determining whether the consistency check request is sent from an adjacent node equipment of the selected node equipment; if it is, returning a response message including connection information of the selected node equipment to the adjacent node equipment, and executing Step D1; and if the selected node equipment has received a response message from one of its adjacent node equipment as well, executing Step D1; otherwise, executing Step E1; D1. based on the connection information carried in the received response message, the selected node equipment determining whether the connection information of itself is consistent with that of its adjacent node equipment; if it is executing Step E1; otherwise, releasing the inconsistent connection information held in itself, informing to release the inconsistent connection information from the adjacent node equipment, and executing Step E1; E1. deciding whether there is an other adjacent node equipment of the selected node equipment that has not implemented inter-node consistency check; if there is, sending a consistency check request to the adjacent node equipment, and executing Step B1; otherwise, ending the procedure of consistency check.