Arrangement and method for protection switching
US7215664B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2002 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Jul 27, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/25
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an arrangement and a method for protection switching. According to the invention the arrangement includes at least one primary and at least one secondary egress switch port, a routing table and a selection table. The method includes: Checking which group identity an ingress flow identity of a data flow is associated with. Checking if a primary or a secondary egress switch port routing address is to be used for said group identity. Switching the data flow to the egress switch port corresponding to the egress switch port routing address that is to be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.