COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PROGRAM

摘要

A TCP (2003) is terminated at an intermediate driver (2006) of a gateway device (20), and a TCP (3003) is terminated at an intermediate driver (3006) of a gateway device (30). Transfer is carried out between the intermediate drivers by method not causing congestion control such as UDP. An SSL session is built between an SSL (2002) and an SSL (3002). When the session is built, a public key and a secret key are sent by Ethernet frame from high-speed engine control to a high-speed engine. Thus, the gateway device carries out transfer for the later communication between a terminal (21) and a server (31) not through a CPU by means of a high-speed engine in an NIC.