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Paper Abstract and Keywords
Presentation 2007-06-21 14:30
A Study on Server Based Broadcasting Systems using P2P Technologies
Takashi Kohda, Masatoshi Kawarasaki (Tsukuba Univ.) IN2007-11
Abstract (in Japanese) (See Japanese page) 
(in English) The concept of the server based digital broadcasting system is to achieve broadcast program viewing at anytime and anywhere by using large-scale storage system and metadata. The storage may locate at home as a home-server or within a network as a network-server. If a user selects a particular content by using metadata in electronic program guide (EPG), then the location of the content (that may be within a home-server or a network-server) is resolved, and the content is delivered from there to the user. Various user-needs such as highlight-viewing or digest-viewing are also possible by using metadata. However, as the capacity of home-server is limited, if a user cannot find a particular content within his/her home-server, the content is delivered from the network-server. If accesses to a specific content within a network-server concentrate, the server and relevant network resources would be congested.
This paper proposes a new system that combines a flooding-based P2P system with a server-based broadcasting system to reduce congestion thus achieves comfortable viewing. Furthermore, the proposed system uses content referencing identifier (CRID) and instance metadata identifier (IMI) as the P2P retrieve key, thus allows people to discover content without knowing a specific file name of content. The feasibility of proposed new system is validated through a prototype system simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Peer-to-Peer(P2P) / home server / home server based broadcasting / conversion of broadcast and communication / ambiguous searching / Content Reference ID (CRID) / instance metadata identifier (imi) /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 98, IN2007-11, pp. 1-6, June 2007.
Paper # IN2007-11 
Date of Issue 2007-06-14 (IN) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IN2007-11

Conference Information
Committee IN  
Conference Date 2007-06-21 - 2007-06-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Future University-Hakodate 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NGN, VoIP, Contents Delivery Network, IPv6, Next Generation Network, etc. 
Paper Information
Registration To IN 
Conference Code 2007-06-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Server Based Broadcasting Systems using P2P Technologies 
Sub Title (in English)  
Keyword(1) Peer-to-Peer(P2P)  
Keyword(2) home server  
Keyword(3) home server based broadcasting  
Keyword(4) conversion of broadcast and communication  
Keyword(5) ambiguous searching  
Keyword(6) Content Reference ID (CRID)  
Keyword(7) instance metadata identifier (imi)  
1st Author's Name Takashi Kohda  
1st Author's Affiliation University of Tsukuba (Tsukuba Univ.)
2nd Author's Name Masatoshi Kawarasaki  
2nd Author's Affiliation University of Tsukuba (Tsukuba Univ.)
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Speaker Author-1 
Date Time 2007-06-21 14:30:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2007-11 
Volume (vol) vol.107 
Number (no) no.98 
Page pp.1-6 
Date of Issue 2007-06-14 (IN) 

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