| 摘要 |
PROBLEM TO BE SOLVED: To secure security in a network while opening a wireless connection to a public communication network at a time of an occurrence of an event such as a disaster.SOLUTION: A first network that is a wireless network limited by specific security information is formed. At an occurrence of an event, a second network that is a wireless network for connecting a communication device to a public communication network is generated by being separated from the first network. |
