Point-to-multipoint ring network protection method and device
US10075328B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Jan 27, 2014 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Nov 13, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A p2mp ring network protection method including, for each ring in the p2mp ring network, determining p2mp services with an identical off-ring node as a protection group; and establishing a pair of closed loop channels in opposite directions for each protection group; for each p2mp service, taking one of the closed loop channels as a working channel, and taking the other one of the closed loop channels as a protection channel. According to the present disclosure, the network structure can be simplified and the network resources can be saved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.