Title:
INFORMATION DISTRIBUTION SYSTEM, INFORMATION DISTRIBUTION METHOD, NODE DEVICE, KEY DATA MANAGEMENT DEVICE, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2007/083454
Kind Code:
A1
Abstract:
Provided is an information distribution system capable of acquiring the program
information having failed to be recorded, reliably and by a simple operation,
without burdening a server device with heavy loads. The system includes a plurality
of node devices capable of communicating with each other through a network. The
node device having received and stored the program information broadcast from
a broadcasting station creates the identification information corresponding
to the program code intrinsic to the program information stored, and sends a message
to register the node device having stored the program information, on the basis
of the identification information, to the node device managing that identification
information. The node device desiring to acquire the program information creates
the identification information corresponding to the program code intrinsic
to the program information desired to acquire, and sends a message requesting
the program information, on the basis of the identification information, to
the node device having managed the identification information, thereby to acquire
that program information from the node device storing that program information.
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Inventors:
USHIYAMA KENTARO (JP)
Application Number:
PCT/JP2006/324349
Publication Date:
July 26, 2007
Filing Date:
December 06, 2006
Export Citation:
Assignee:
BROTHER IND LTD (JP)
USHIYAMA KENTARO (JP)
USHIYAMA KENTARO (JP)
International Classes:
G06F13/00; H04L9/08; H04N7/16; H04N7/173; H04N21/4363; H04N21/472; H04N21/4788; H04N21/6587
Domestic Patent References:
| WO2000022777A1 | 2000-04-20 |
Foreign References:
| JP2003046958A | 2003-02-14 | |||
| JP2005045627A | 2005-02-17 | |||
| JP2003167885A | 2003-06-13 |
Other References:
STOICA I. ET AL.: "Chord: A Scalable Peer-to-peer Lookup Service for Internet Applications", PROCEEDINGS OF SIGCOMM'01, 2001, pages 149 - 160, XP001115753
LV Q. ET AL.: "Search and Replication in Unstructured Peer-to-Peer Networks", PROCEEDINGS OF ICS'02, 2002, XP001171505
LV Q. ET AL.: "Search and Replication in Unstructured Peer-to-Peer Networks", PROCEEDINGS OF ICS'02, 2002, XP001171505
Attorney, Agent or Firm:
ISHIKAWA, Yasuo et al. (17-11 Shiba 2-chome, Minato-k, Tokyo 14, JP)
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