Patent ID: 7933199
Filing Date: 2011-04-26
Classification: H04J

Abstract:
1. A transmission system that virtually concatenates each path signal transmitted through a plurality of paths being a logical communication path to form a virtual concatenation group, the system comprising: managing section to manage an active state and a stand-by state of member paths of the virtual concatenation group, each of the member paths is previously set to be a work member path or a protection member path; and control section to control any of the member paths in the stand-by state to the active state in place of any of the member paths in the active state that has abnormality, wherein if one or more of work member paths are in the stand-by state, the control section controls one of the work member paths in the stand-by state to the active state, and if none of the work member paths is in the stand-by state, the control section controls one of protection member paths in the stand-by state to the active state.