Paper Abstract and Keywords |
Presentation |
2015-01-23 11:00
Effects of Delay Variations in TCP/AQM Using Disturbance Observer Hosho Chibana, Ryogo Kubo (Keio Univ.) CQ2014-105 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Recently, the amount of data traffic over the network is rapidly increasing with the spread of smartphones and tablets. Accordingly, congestion in the network is pointed out that will become more serious in the concentrator devices such as routers and switches. Transmission control protocol (TCP) which is a typical Internet Protocol has a congestion control mechanism. TCP detects time-out and/or packet losses and adjusts the window size. However, queue overflow, i.e., drop tail, causes global synchronization which decreases average throughput, and unfairness between bursty traffic and other traffic. Hence, active queue management (AQM) which discards packets actively in the concentrator devices has been proposed. Nowadays, in order to design more efficient congestion control, AQM schemes based on control theory have been actively studied. In particular, the congestion controller using a disturbance observer can compensate the variation of network parameters such as the number of TCP connections and the inflow of non-TCP flows, and has high robustness. This report investigates the effects of the variation of end-to-end delay when AQM scheme with the disturbance observer is utilized. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Congestion Control / AQM / TCP / Control Theory / Disturbance Observer / Time Delay / / |
Reference Info. |
IEICE Tech. Rep., vol. 114, no. 404, CQ2014-105, pp. 107-112, Jan. 2015. |
Paper # |
CQ2014-105 |
Date of Issue |
2015-01-15 (CQ) |
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) |
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CQ2014-105 |
Conference Information |
Committee |
CQ |
Conference Date |
2015-01-22 - 2015-01-23 |
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(See Japanese page) |
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Registration To |
CQ |
Conference Code |
2015-01-CQ |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Effects of Delay Variations in TCP/AQM Using Disturbance Observer |
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Keyword(1) |
Congestion Control |
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AQM |
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TCP |
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Control Theory |
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Disturbance Observer |
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Time Delay |
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1st Author's Name |
Hosho Chibana |
1st Author's Affiliation |
Keio University (Keio Univ.) |
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Ryogo Kubo |
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Keio University (Keio Univ.) |
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Speaker |
Author-1 |
Date Time |
2015-01-23 11:00:00 |
Presentation Time |
20 minutes |
Registration for |
CQ |
Paper # |
CQ2014-105 |
Volume (vol) |
vol.114 |
Number (no) |
no.404 |
Page |
pp.107-112 |
#Pages |
6 |
Date of Issue |
2015-01-15 (CQ) |
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