Cross-device linear multiplex section protection method, gateway and controller
US9621455B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2015 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Nov 23, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A cross-device linear multiplex section protection method, including: a controller receives a first negotiation message transmitted by a first gateway, the first negotiation message is transmitted when the first gateway detects that a failure occurs in a link between the first gateway and a second gateway; the controller transmits a second negotiation message to the first gateway and the second gateway, the second negotiation message is used for indicating bridging service data on an active link to a protection link for transmission, the active link is a link between the second gateway and the controller, and the protection link is a link between the first gateway and the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.