| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a communication system which maintains higher security and can efficiently specify the address, etc., of a device of a communication destination. <P>SOLUTION: In this communication system provided with a first device and a second device connected to a network, the first device has a collating means for collating first identification information acquired by an acquiring means with second identification information received by a receiving means and a transmitting means for transmitting the first identification information when the collating means determines that the first identification information does not coincide with the second identification information, and the second device has a collating means for collating first identification information received by the receiving means with third identification information acquired by the acquiring means and a communication destination determining means for determining the first device being a transmission source of the first identification information as a communication destination when the collating means determines that the first identification information coincides with the third identification information. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
