Patent ID: 8856381

Claim:
A method for binding a work label switching path (LSP) with a protection LSP, comprising: a Path Switching Label Switching Router (PSL) transmitting a first message which comprises a binding information to a Path Merging Label Switching Router (PML) to request for creating the protection LSP of the work LSP; the PML router assigning a label for the protection LSP based on the first message, and returning a second message which comprises the binding information; upon receiving the second message, the PSL router binding the work LSP with the protection LSP according to the binding information, and transmitting a notification message which comprises the binding information to the PML switched router; and the PML router binding the work LSP with the protection LSP according to the binding information in the notification message, wherein the binding information comprises an identifier of the work LSP, a type of the LSP, and a protection mode, and wherein the PSL and PML are label edge routers.