Network device and connection detection method thereof
US7990886B2 · kind B2 · utility
2Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 2009 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Dec 29, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/0811
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network device records a number of data packets transmitted between a partner network device and the network device in a detection cycle. According to the number of detection packets without corresponding response packets number at the end the detection cycle, and the number of unchanged of data packets when the number of the detection packets without corresponding response packets is not less than the preset value, the network device determines a connection status of the partner network device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.