Patent ID: 7864763

Claim:
A method for implementing a Layer 1 Virtual Private Network (L1 VPN), comprising: creating on a Provider Edge (PE) at least one Virtual PE, wherein the Virtual PEs belonging to the same type of service mode have a uniform PE service mode instance, creating on a Customer Edge (CE) at least one Virtual CE, wherein the Virtual CEs belonging to the same type of service mode have a uniform CE service mode instance, the Virtual PEs belonging to the same type of service mode perform uniformly signaling exchange and routing exchange with the Virtual CEs through a signaling processing module and a routing processing module of the PE service mode instance to support a first at least one L1VPN service mode, the Virtual CEs belonging to the same type of service mode perform uniformly signaling exchange and routing exchange with the Virtual PEs through a signaling processing module and a routing processing module of the CE service mode instance to support a second at least one L1 VPN service mode, the Virtual PE maintains members information of the L1 VPN corresponding to the Virtual PE, and the Virtual CE maintains members information of the L1 VPN corresponding to the Virtual CE.