Network system, spanning tree configuration method, spanning tree configuration node, and spanning tree configuration program
US7855981B2 · kind B2 · utility
1Cited by
18References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2008 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Dec 31, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/484
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A node that configures a spanning tree over a network to which a plurality of nodes are connected generates a tree after a cost change using another LAN while continuing to operate the tree that existed before the change, and switches the tree that is used for forwarding after the new tree has been stable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.