Data transmitting apparatus and method and program for controlling transmission rate

A transmission rate control method for a data transmitting apparatus having a plurality of data transmitting sections each transmitting a stream through a network, the method comprising the steps of:

• acquiring network traffic status information of the plurality of streams;
• performing a statistical process on the network traffic status information of each stream acquired at the information acquiring step;
• calculating an overall transmission rate based on the result of the process at the statistical process step;
• and
• setting a transmission rate for each stream based on the overall transmission rate obtained at the calculation step and a preset allocation ratio.

A program for a computer controlling a data transmitting apparatus having a plurality of data transmitting sections each transmitting a stream through a network, the program causing the computer to function as;

• information acquiring means for acquiring network traffic status information of each stream;
• statistical process means for performing a statistical process on the network traffic status information of each stream acquired by the information acquiring means;
• calculating means for obtaining an overall transmission rate based on the result of the process performed by the statistical process means;
• and
• transmission rate setting means for setting a transmission rate for each stream based on the overall transmission rate obtained by the calculating means and a preset allocation ratio.