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Paper Abstract and Keywords
Presentation 2020-03-05 09:50
A Study on a Segment Prefetch Algorithm for DASH Streaming Video in Cache-enabled Networks
Yoji Yamamoto, Yuki Koizumi, Toru Hasegawa (Osaka Univ.) NS2019-183
Abstract (in Japanese) (See Japanese page) 
(in English) When clients watch Dynamic Adaptive Streaming over HTTP (DASH) videos on top of a cache-enabled network, cache hits may contribute to not only reducing traffic in the network but also improving the average bitrate of DASH videos. Since links between caches and source servers providing DASH videos are not used by clients in the case of cache hits, the clients can download segments from the caches and prefetch high bitrate segments used in the near future simultaneously by using such unused links, thereby improving the average bitrate of DASH videos. Both estimating segments in caches and available bandwidth of links between caches and servers are keys to realizing this algorithm, referred to as a segment prefetch algorithm. In this paper, we conduct simulation experiments to investigate how wrong estimation of the two factors affects the performance of the segment prefetch algorithm and discuss design rationales for this algorithm.
Keyword (in Japanese) (See Japanese page) 
(in English) In-network Cache / Dynamic Adaptive Streaming over HTTP (DASH) / Prefetching / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 460, NS2019-183, pp. 37-42, March 2020.
Paper # NS2019-183 
Date of Issue 2020-02-27 (NS) 
ISSN 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)
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Conference Information
Committee NS IN  
Conference Date 2020-03-05 - 2020-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Royal Hotel Okinawa Zanpa-Misaki 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2020-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on a Segment Prefetch Algorithm for DASH Streaming Video in Cache-enabled Networks 
Sub Title (in English)  
Keyword(1) In-network Cache  
Keyword(2) Dynamic Adaptive Streaming over HTTP (DASH)  
Keyword(3) Prefetching  
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1st Author's Name Yoji Yamamoto  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Yuki Koizumi  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Toru Hasegawa  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2020-03-05 09:50:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2019-183 
Volume (vol) vol.119 
Number (no) no.460 
Page pp.37-42 
#Pages
Date of Issue 2020-02-27 (NS) 


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