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| Presentation | 2014-03-07 13:00 An Evaluation of Bandwidth Fairness Control among Subscribers for Cascaded Switches in Optical Access Network Toshiyuki Nakayasu, Masataka Tsuemura, Yoshifumi Hotta, Ryusuke Kawate (Mitsubishi Electric)  NS2013-257 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the optical access network such as FTTH, network configuration of cascading Ethernet switches is sometimes used to accommodate subscribers efficiently. However, bandwidth unfairness caused by the difference in the number of hops and the number of subscribers connected to each switch is a technical problem in this configuration. Therefore, we have proposed a method to control bandwidth fairness which is based on the proportion of the number of accommodated subscribers so that we can realize QoS control economically in the network configuration of cascading Ethernet switches. In this paper, we have implemented three types of egress QoS functions in the network simulator to compare fairness among subscribers. The three types are FIFO method which doesn't control QoS, dedicated queue method which has per subscriber queues and can control QoS strictly, and proposed method which has shared queues and can control QoS in a cost-effective structure. From simulation results, we have compared fairness indices of those methods that indicate bandwidth fairness among subscribers. Consequently, we confirmed that the fairness index of proposed method is 0.85. This value is inferior to the fairness index of dedicated queue method’s being 0.99, but it is improved compared to FIFO method’s being 0.54. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | QoS / Bandwidth Control / Fairness / Cascade / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 472, NS2013-257, pp. 467-471, March 2014. | |
| Paper # | NS2013-257 | |
| Date of Issue | 2014-02-27 (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 | NS2013-257 |
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| Conference Information | |
| Committee | NS IN |
| Conference Date | 2014-03-06 - 2014-03-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Miyazaki Seagia |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2014-03-NS-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Evaluation of Bandwidth Fairness Control among Subscribers for Cascaded Switches in Optical Access Network |
| Sub Title (in English) | |
| Keyword(1) | QoS |
| Keyword(2) | Bandwidth Control |
| Keyword(3) | Fairness |
| Keyword(4) | Cascade |
| Keyword(5) | |
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| 1st Author's Name | Toshiyuki Nakayasu |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Masataka Tsuemura |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 3rd Author's Name | Yoshifumi Hotta |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 4th Author's Name | Ryusuke Kawate |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
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| Speaker | Author-1 |
| Date Time | 2014-03-07 13:00:00 |
| Presentation Time | 20 minutes |
| Registration for | NS |
| Paper # | NS2013-257 |
| Volume (vol) | vol.113 |
| Number (no) | no.472 |
| Page | pp.467-471 |
| #Pages | 5 |
| Date of Issue | 2014-02-27 (NS) |
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