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Paper Abstract and Keywords
Presentation 2007-09-21 17:00
ALM Tree Construction Method over Heterogeneous Networks
Masahiro Kobayashi, Hidehisa Nakayama (Tohoku Univ.), Nirwan Ansari (NJIT), Nei Kato (Tohoku Univ.) NS2007-78
Abstract (in Japanese) (See Japanese page) 
(in English) Application Layer Multicast (ALM) is highly expected to be the new technological choice contents delivery in lieu of IP multicast.
Depending on each node's streaming application, ALM constructs multicast trees and delivers the stream through those trees.
The problem of ALM is that when a node resides in tree leaves, the stream cannot be delivered to descendant nodes.
To overcome this problem, Topology-aware Hierarchical Arrangement Graph (THAG) was proposed.
By employing Multiple Description Coding (MDC), THAG first splits the stream into a number of sub-streams, and then uses Arrangement Graph (AG) to construct an independent tree for each sub-stream.
However, using the same size of AG in THAG has a difficulty delivering a stream appropriately across a heterogeneous network.
In this paper, we propose a method to change the size of AG dynamically in enhancing THAG performance well even in a heterogeneous network.
Finally, we evaluate the proposed scheme by experiments in ns-2.
By comparing with THAG, we show that our proposal scheme provides a better performance in throughput and Bandwidth Satisfaction Rate (BSR).
Keyword (in Japanese) (See Japanese page) 
(in English) Application Layer Multicast / Streaming Contents / Contents Delivery / Multiple Description Coding / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 221, NS2007-78, pp. 131-136, Sept. 2007.
Paper # NS2007-78 
Date of Issue 2007-09-13 (NS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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 NS2007-78

Conference Information
Committee NS CS IN  
Conference Date 2007-09-20 - 2007-09-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Overlay networks, VPN, DDos, network security, p2p communications, network software, etc. 
Paper Information
Registration To NS 
Conference Code 2007-09-NS-CS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) ALM Tree Construction Method over Heterogeneous Networks 
Sub Title (in English)  
Keyword(1) Application Layer Multicast  
Keyword(2) Streaming Contents  
Keyword(3) Contents Delivery  
Keyword(4) Multiple Description Coding  
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Keyword(6)  
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1st Author's Name Masahiro Kobayashi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hidehisa Nakayama  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Nirwan Ansari  
3rd Author's Affiliation New Jersey Institute of Technology University (NJIT)
4th Author's Name Nei Kato  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2007-09-21 17:00:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2007-78 
Volume (vol) vol.107 
Number (no) no.221 
Page pp.131-136 
#Pages 6 
Date of Issue 2007-09-13 (NS) 

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