INFORMATION DELIVERY SYSTEM, DESCRIPTIVE DATA DELIVERY DEVICE, CONTENT LOCATION MANAGEMENT DEVICE, DATA CONVERSION DEVICE, RECEIVING TERMINAL DEVICE AND INFORMATION DELIVERY METHOD

摘要

PPROBLEM TO BE SOLVED: To provide an information delivery system that can sufficiently effectively use a network resource and sufficiently improved delivery quality. PSOLUTION: The information delivery system has content delivery devices 3 for storing contents, cache devices 4 for acquiring contents from the content delivery devices 3 to store them temporarily, a SMIL data delivery device 2 for storing SMIL data each piece of which is descriptive of location information about each delivery device, a data conversion device 66 for converting, about the SMIL data, the location information about a content delivery device 3 into location information about a cache device 4 storing request contents, and receiving terminal devices 7 for acquiring the converted SMIL data and receiving the request contents from the cache device 4. PCOPYRIGHT: (C)2003,JPO