Device and method for coordinating automatic protection switching operation and recovery operation
US8775869B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2010 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Jan 22, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/437
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a device and a method for coordinating an APS operation and a recovery operation. The device includes a working channel detection unit, a protection channel detection unit, a protection protocol unit and a recovery protocol unit. The method comprises: when the working channel of current service fails, the working channel detection unit reporting a working channel alarm to the protection protocol unit and a recovery protocol unit of current node; the recovery protocol unit starting up a timer after receiving the working channel alarm, and the protection protocol unit determining whether the recovery operation needs to be started up immediately after receiving the working channel alarm, and if yes, the protection protocol unit notifying the recovery protocol unit to start up the recovery operation immediately; the recovery protocol unit starting up the recovery operation immediately after receiving the notification. The present invention reduces the damage time of the service in the case of the APS function failure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.