Patent ID: 6603770
Filing Date: 2003-08-05
Classification: H04L,H04Q

Abstract:
A first access device that provides access between an enterprise network and at least one of a metropolitan area network and a wide network, comprising:an enterprise area network connection providing connection to an enterprise area network; a controller coupled to the enterprise area network connection, the controller providing Layer 1 and layer 2 service; and a central office connection coupled to the controller and providing connection to a central office, the central office providing layer 3 and layer 4 service; wherein said controller comprises a first controller, said central office includes a second access device controller and said first controller transmits data through said central office connection to a second access device located at said central office; wherein said controller receives data from the enterprise area network connection and transmits multiple data formats across the central office connection to the central office using Layer 1 and layer 2 services.