METHOD AND APPARATUS FOR LOCAL PATH PROTECTION

摘要

A method of local path protection in a node on a shared alternative path of a network (1). The method comprising receiving (201) a signal switched on a primary label switched path LSP. The signal is switched by lambda-switching or time-division multiplex TDM switching. The method further comprises receiving (203) identification information arranged to identify the signal,and forwarding (205) the signal on the alternative path based on the identification information.