| 摘要 |
PROBLEM TO BE SOLVED: To prevent disconnection between a server and a communication terminal, in a network where the server and a large amount of communication terminals are connected.SOLUTION: In a network where a plurality of communication terminals and one or more servers are connected via one or more routers, a controller for controlling the network includes a control function of the routing in the network and the routing information of the router. Upon receiving an event of changing the destination address of the server, control of the routing information having no impact on the communication in connection is carried out in advance, and the routing information having impact on the communication in connection is controlled after completing the processing for changing the destination address. |
