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Scalable system and method for DSL subscriber traffic over an Ethernet network

  • US 20060245435A1
  • Filed: 04/28/2005
  • Published: 11/02/2006
  • Est. Priority Date: 04/28/2005
  • Status: Active Grant
First Claim
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1. A processor-implemented method of operation for a user-facing provider edge (u-PE) device of an Ethernet access network, the method comprising:

  • receiving a customer frame from a Digital Subscriber Line Access Multiplexer (DSLAM) device, the customer frame being of a first format that includes a first Virtual Local Area Network (VLAN) tag of a first predetermined bit length, the first VLAN tag identifying a Digital Subscriber Line (DSL) subscriber; and

    re-formatting the customer frame into a second format, wherein the first VLAN tag is mapped to a second VLAN tag of a second predetermined bit length greater than the first predetermined bit length, the second VLAN tag identifying a service instance of the Ethernet access network, in the second format the customer frame being encapsulated inside a provider frame, with a provider source Media Access Control (MAC) address represents a MAC address associated with the DSLAM, and a provider destination MAC address represents a MAC address of a destination device.

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