Connection rerouting method for general application to connection-oriented mobile communication networks

Various connection rerouting methods have been proposed for connection-oriented mobile networks. The previous methods, however, are limited to specific topologies or environments. In this paper, we propose a new connection rerouting method based on connection information. In the method when a connection is established between two mobile hosts, the connection information about the connection is provided to the mobile hosts through connection recording. When a mobile host has moved into a new area during a communication, it provides its connection information to its new mobile host agent, and then the mobile host agent selects the mobility-handling router closest to it among the ones included in the connection information for the rerouting point of the connection. This method requires neither a specific topology nor a complex connection, guarantees fast rerouting time, and provides very short reroute distance and acceptable route optimality. These features enable the method to be widely applicable to various connection-oriented mobile networks.