データ処理装置及びその制御方法

Abstract

<P>PROBLEM TO BE SOLVED: To provide a data processing device that suppresses deterioration in data transfer performance caused by buffer overflow, and a processing method for the same. <P>SOLUTION: The data processing device includes: an input means that obtains packetized data so as to input them into the device; a processing means for applying prescribed processing to the packet input by the input means; an output means for outputting the packet processed by the processing means to the outside of the device; and a communication means for executing packet transfer control between the input means, the processing means, and the output means by using a buffer for temporarily storing packets. At least either one of the input means and the processing means includes a packet-rate control means for controlling output timing of packets input/output by the transfer control executed by the communication means. The packet-rate control means makes the number of packets, input at uneven intervals, below or equal to a fixed number in units of a plurality of periods so as to output the packets. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

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