| 摘要 |
<p>The comprehension of content use, and the like, even in systems with wide uses, and easy application in various utilization forms are enabled. Content data (30) is distributed from a content distributing device (11) to a content reproducing device (12) via a network (10). The content data (30) is transmitted on the network (10) as a content packet (31) such as an IP packet. The header section (32) of the content packet (31) houses packet path information (34) that indicates the transmission path of the packet on the network and comprises the address information of the packet transmission source, the relay points, and the like. A content managing device (15) acquires the packet path information (34) of the content packet (31), identifies the specified content corresponding to the packet path information on the basis of content path correspondence information that indicates the preset relationship between the content and the path, and manages the content in response to the identification results.</p> |
