Method and apparatus for providing an uplink over an access ring
US8792337B2 · kind B2 · utility
4Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 9, 2011 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Feb 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/437
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for providing an uplink over an access ring comprising access devices and at least one aggregation device, wherein each device of said access ring has ring interfaces connecting said device to neighboring devices in said access ring, wherein one access device of said access ring is configured as a ring master device which sends connectivity check messages on both its ring interfaces around said access ring to itself to detect a connectivity failure in said access ring, and wherein said ring master device changes a state of one of its ring interfaces depending on the detection result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.