| 摘要 |
To solve problems in that a load on a VPN device is large in a case where the number of terminal devices increases in encrypted communication using a VPN technique, and that only communication between the terminal device and the VPN device is encrypted, thus disabling end-to-end encrypted communication, a communication system is provided, including: a terminal device; a plurality of blades; and a management server that manages the blades, in which: the management server selects a blade, authenticates the terminal device and the selected blade, and mediates encrypted communication path establishment between the terminal device and the selected blade; the terminal device and the blade perform encrypted communication without the mediation of the management server; and the management server requests a validation server to authenticate each terminal.
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