Patent ID: 8345678
Filing Date: 2013-01-01
Classification: H04L,H04W

Abstract:
1. A communication method for a terminal configured to communicate with a corresponding terminal using a plurality of communication paths for providing additional services respectively having path types for a single session through routers having a function relating to a provision of additional services, the communication method comprising: a detection step of the terminal detecting that one of the plurality of communication paths has been changed, without detecting whether to switch to a short-cut path and without actively switching to the short-cut path; a signaling message generation step of generating a signaling message for controlling the additional service provided to a changed communication path detected in the detection step, the signaling message including a path-type identifier relating to the changed communication path; and a signaling message transmission step of transmitting the signaling message including the path-type identifier relating to the changed communication path to the routers present on the changed communication path.