Patent ID: 7733869
Filing Date: 2010-06-08
Classification: H04L

Abstract:
1. A method of emulating Virtual Provide Local Area Network Service (VPLS) in an Asynchronous Transfer Mode (ATM) network, comprising: configuring, at a plurality of provider edge devices (PEs) arranged in a Private Network-Network Interface (PNNI) hierarchy, a VPLS having a VPLS Identifier (ID); at each PE, generating a PNNI Topology State Element (PTSE) including a VPLS Information Group (IG), the VPLS IG indicating the VPLS ID and an ATM address associated with the VPLS; flooding each VPLS IG throughout the PNNI hierarchy to exchange information between the PEs; establishing a mesh of virtual circuits in the ATM network to emulate VPLS by attaching virtual circuits to pairs of PEs, each of the pairs of PEs in the mesh comprising a first PE and a second PE, wherein establishing each virtual circuit between the first PE and the second PE comprises: