Method and system for enabling layer 2 transmission of IP...

Details Method and system for enabling layer 2 transmission of IP... Method and system for enabling layer 2 transmission of IP...

2002-03-08

2008-12-23

Pwu, Jeffrey (Department: 2152)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data framing

C709S223000, C709S225000, C709S227000, C709S238000

Reexamination Certificate

active

07469298

ABSTRACT:
In a communication method: processing for designation of a service provider, user authentication, and IP address assignment is performed by exchanging management frames between a user terminal and a service provider through an access network; and main-signal frames each having an IPoE form and containing a source Layer 2 address of the user terminal are exchanged between the user terminal and the service provider through the access network. The management frames have a form which can be discriminated from the main-signal frames in Layer 2, and the access network holds information on correspondences between source Layer 2 addresses and virtual private networks. The access network recognizes one of the virtual private networks connected to the service provider, based on the source Layer 2 address contained in each main-signal frame, and transfers the main-signal frames in Layer 2 by MAC bridging.

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