Data network having enhanced availability of extra traffic
US6795394B1 · kind B1 · utility
128Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2000 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Apr 26, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a network having working and protection paths, extra traffic is put on the protection paths when they are not being used by working traffic. In the event of a fault in a working path, the working traffic is switched to a respective protection path using a span switch operation. The extra traffic is displaced, but at least some of it is protected by switching it to an alternative path using a ring switch operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.