Importance

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Abstract

A contents delivery system includes a client machine that executes a browser capable of requesting contents and a server machine that has a HDD for storing contents and executes WWW server capable of transmitting the contents requested by the client machine to the client machine. The server machine includes an ID issuance module for issuing a delivery confirmation ID that is uniquely related to the contents every time the contents are requested by the client machine, and a plug-in data creation part for creating plug-in data including the delivery conformation ID, client information and server information. The server machine further includes a application execution part for transmitting the plug-in data including the delivery confirmation ID related to the contents to the client machine through the WWW server, and a delivery confirmation receiving part for receiving delivery confirmation data containing the delivery confirmation ID and the client information which is sent from the client machine. The client machine executes a plug-in software creating the delivery confirmation data based upon the plug-in data and transmitting the delivery confirmation data to the delivery confirmation receiving part of the server machine in accordance with the server information contained in the plug-in data.

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First Claim