Network system
US9264253B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2012 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Oct 20, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/15
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network system has lower switches and upper switches connected to the lower switches. Each of the upper switches includes a connection information notifying means for notifying connected lower switch list informations each of which includes an identification information on each of the lower switches connected to each of the upper switches, to the lower switches connected to each of the upper switches. Each of the lower switches includes a comparison determination means for comparing the connected lower switch list informations notified by the connection information notifying means, in order to determine a connection state between the upper switches and the lower switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.