| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To detect duplication of an IP address in an IP address network from the outside of the IP network. <P>SOLUTION: A value of an identification field in an IP header is used instead of information on a service level, for identifying a transmission node of a response IP packet. A plurality of request IP packets are transmitted to an IP address to be investigated, a value of an identifier field in the IP header of the response IP packet is monitored to determine whether the duplication of the IP address occurs or not. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
