| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To continuously perform communication between hosts by reconfiguring a session state when the session state held in a router device is lost due to re-start, etc. <P>SOLUTION: When session state information concerning data communication between a local host and a remote host, which is recorded in the session state list 51 of a storage part 50, is lost, the session state re-organizing part 43 of the router device 1 confirms connection to the remote host in response to the reception of a data packet in the data communication from the local host, determines whether the data communication is effective or not in accordance with a response to the confirmation, and reconfigures the session state. Thus, even when the session state is not preserved in a non-volatile storage device, etc. , the communication between the hosts is continuously performed by easily reconfiguring the session state concerning the data communication. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
