Relay device for selecting an optimal path
US7613122B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2005 |
| Grant date | Nov 3, 2009 |
| Priority date | — |
| Expiry date | Dec 24, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/60
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A relay device includes a plurality of physical ports physically connected to a plurality of other relay devices on a network to form physical links; a setting unit for setting one or more logical links for each of the physical links; an evaluation unit for automatically adding an evaluated value based on communication characteristics of the logical link when a control packet is received from a first relay device through the logical link or the control packet is transferred to a second relay device through the logical link; and a unit for selecting, when there are a plurality of routes that merge at the relay device, one of the routes based on evaluated values accumulated by the other relay devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.