Patent ID: 8050279

Claim:
A method for accessing integrated services by an access network comprising: establishing at least one Multi-Protocol Label Switching (MPLS) Label Switch Path (LSP) between a broadband access node device and a Broadband Access Server (BAS) in a broadband access network, wherein the established LSP contains two layers of label comprising an outer layer label and an inner layer label; MPLS encapsulating, at the broadband access node, a service to be transmitted, wherein the broadband access node identifies different services and subscribers on the basis of the inner layer label; transmitting the encapsulated service in the broadband access network via the LSP, wherein the broadband access network distinguishes a quality Olservice (QoS) of different types of services on the basis of the outer layer label; and terminating simultaneously an outer LSP identified by the outer layer label and an inner LSP identified by the inner layer label at either the BAS or an edge router of a core network, wherein the one of the BAS or the edge router where the outer LSP and inner LSP are terminated identifies different services and subscribers on the basis of the inner layer label; wherein the broadband access node device is a digital subscriber line access multiplexer (DSLAM); wherein before encapsulating, the method further comprises: when Ethernet is carried over MPLS, selecting a corresponding LSP for the service according to a service tag (S-TAG) of Ethernet packet of the service.