COMMUNICATION SYSTEM, DATA TRANSMITTER, DATA RECEIVER, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM

摘要

A communication device (1) comprises a restoration status information acquiring section (2) for acquiring information on the restoration status of a packet by means of an error correcting code, a restoration status judging section (3) for selecting whether to perform a communication control processing in normal time according to the restoration status of the packet by means of the error correcting code or to perform a communication control processing at the time of restoring a packet loss caused by congestion, a normal time communication control unit (4) for performing a communication speed control using congestion information when the communication control processing in normal time is selected, and a restoration time communication control unit (5) for decreasing the communication speed more than that in the normal time or decreasing the increase range of the communication speed when the communication control processing at the time of the restoration is selected.