Data communication apparatus, data communication system, data communication method, data communication program and information recording medium
US7388864B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2003 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Apr 10, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2001/0093
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
when receiving reception error information from at least one of a plurality of other transfer destinations which indicates that data reception has not been performed properly as a result of the data transfer being performed by a multicast communication manner for a plurality of other transfer destinations, data re-transfer to the at least one of other plurality of transfer destinations is performed with one selected from the multicast and unicast communication manners according to the number of the at least one of other plurality of transfer destinations which has transmitted the reception error information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.