| 摘要 |
PROBLEM TO BE SOLVED: To attain sure session management by allowing a service manager 62 to carry out control so that shift to other processing such as a channel change is not executed during the execution of identification processing by a client agent and an agent service part 63. SOLUTION: In requesting shift from the control of an HTTP protocol to specific processing different from the HTTP protocol, a URL is used as a command transfer means. When the URL is inputted from an information terminal 4 to a server, the terminal 4 starts the client agent 60 and the server starts the agent service part 63. While bidirectionally transmitting/receiving data, both the client agent 60 and agent service part 63 execute specific processing such as identification processing.
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