Patent ID: 6714532
Filing Date: 2004-03-30
Classification: H04L

Abstract:
A network connecting method in a network connecting device, said network connecting device including:first communicating means for performing communications with a first communication network such as a wide area network, connectionless (CL) communicating means for performing a CL transmission with a second communication network, and connection-oriented (CO) communicating means for performing a CO transmission with a third communication network, said network connecting method comprising the steps of: storing in first storing means at least a part of protocol control information and communication channel identifying information in a corresponding relationship, the protocol control information being of data on the first communication network, and the communication channel identifying information being for identifying a communication channel with a second, alternatively third wide area communication network, and performing channel control for changing an entry having said communication channel identifying information which indicates the CO communicating means as an entry having communication channel identifying information which indicates the CL communicating means, by referring to the communication channel identifying information held in the first storing means.