Method and system for enabling layer 2 transmission of IP data frame between user terminal and service provider
US7469298B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2002 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Dec 21, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2101/622
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.