Method and system for mapping virtual connections to asymmetric digital subscriber line latency paths
US6396837B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2000 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Mar 3, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/062
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for mapping virtual connections to asymmetric digital subscriber line (“ADSL”) latency paths. A request for virtual connection from a transport network (e.g., Asynchronous Transport Mode, Frame Relay, etc.) with a desired service category (e.g., quality-of-service) and a desired latency is mapped to an ADSL device latency interface by checking a latency mapping policy. This mapping provides a virtual connection with a desired service category and a desired latency over ADSL links. The latency mapping includes an embedded service category mapping from a transport network to latency paths at an ADSL transmission convergence sub-layer allowing differential services to be provided for user data based on a desired service category. The latency mapping mechanism may help provide use of end-to-end service categories such as quality-of-service categories, over real-time ADSL links.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.