| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent an Internet terminal from being unable to communicate via the Internet due to depletion of lending IP addresses of a DHCP server. <P>SOLUTION: A communication terminal 24 applies protocol conversion to information acquired by a data terminal in the same combination of a plurality of combinations incorporated under management of a management center together with at least a data terminal in a demander side system, and transfers the information to the management center. The demander side system is connected to the management center via the Internet, and includes a DHCP server out of this control and a plurality of Internet terminals for acquiring the lending IP address and performing communication via the Internet. In communicating with the management center, the communication terminal 24 requests network setting information including the lending IP address to the DHCP server, sets a network for itself to start communication with the management center, and releases the lending IP address after completion or interruption of this communication. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
