Communication system
US7599368B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2006 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | Jul 7, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1863
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication system includes: a probe transmission server which transmits packets of a probe multicast at certain intervals on a same path as that of a main multicast; an aggregation server which converts multiple main cast and the probe multi cast into an aggregative multicast; and a communication control apparatus which determines an overall communication condition of the packets of the main multicast based on intervals of the probe multicast, wherein the communication control apparatus receives and recovers the packet of the main multicast from the packet of the aggregative multicast, if a communication break of the main multicast is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.