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Paper Abstract and Keywords
Presentation 2024-03-01 11:10
A Study on QoS Control with Differentiated ECN
Kai Sakamoto (Kansai Univ.), Yusaku Hayamizu (NICT), Miki Yamamoto (Kansai Univ.) NS2023-212
Abstract (in Japanese) (See Japanese page) 
(in English) In adaptive video streaming, a user downloads video segments sequentially based on the adaptive bitrate (ABR) algorithm to dynamically adjust their bitrates according to network conditions. Existing ABR algorithms select bitrates based on throughput or buffer occupancy of playout buffer with treating each segment equally. In a video content, there are semantically important parts such as goal scenes in a football game. The ABR algorithm taking account of this {¥it semantics} of video contents has been already proposed, but this approach only focuses on the application layer. When semantics can be treated in the network, this approach will open up a new research direction of network-oriented QoE control. In this paper, we investigate, as the first step of this new research direction, a possibility of allocating network resources when a network router is aware of the applications' semantics. We propose a new ECN marking which differentiates the marking threshold for each flow, which enables network-oriented QoS control. Then, we also evaluate performance of an ABR algorithm with this QoS control mechanism inside the network. Our performance evaluation results show that differentiated throughput performance of our proposed ECN marking enables also differentiation of ABR bitrate selection for each flow. These evaluation results show the possibility of network-oriented semantics QoE control.
Keyword (in Japanese) (See Japanese page) 
(in English) Congestion Control / QoS / ABR / Semantics / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 397, NS2023-212, pp. 236-239, Feb. 2024.
Paper # NS2023-212 
Date of Issue 2024-02-22 (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)
Download PDF NS2023-212

Conference Information
Committee NS IN  
Conference Date 2024-02-29 - 2024-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2024-02-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on QoS Control with Differentiated ECN 
Sub Title (in English)  
Keyword(1) Congestion Control  
Keyword(2) QoS  
Keyword(3) ABR  
Keyword(4) Semantics  
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1st Author's Name Kai Sakamoto  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Yusaku Hayamizu  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Miki Yamamoto  
3rd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2024-03-01 11:10:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2023-212 
Volume (vol) vol.123 
Number (no) no.397 
Page pp.236-239 
#Pages 4 
Date of Issue 2024-02-22 (NS) 

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