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| Presentation | 2012-10-12 10:20 Wide-Bandwidth Communication TCP for a Virtual Private WAN Takashi Isobe, Daisuke Ito, Dai Akashi, Satoshi Tsutsumi (Hitachi)  IN2012-100 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a virtual private WAN, which is shared with many hosts or sites and used by various general-purpose applications such as HTTP, FTP and CIFS, large communication delay and packet loss ratio cause the decrease of TCP throughput and the waste of contracted bandwidth. To solve this issue, we have developed an original wide-bandwidth communication TCP, which detects the network congestion based on the packet loss ratio and the change rate of that and controls the transmit rate to use up the remaining bandwidth based on the RTT previous send bandwidth and the current loss bandwidth. In the experimentation, we showed that our original wide-bandwidth communication TCP could use up the remaining bandwidth in the environment where the remaining bandwidth changed at each second. Proposed TCP achieved the throughput independent of bottleneck queue length, and in the case of large communication delay or large packet loss ratio, proposed TCP achieved one hundred times higher throughput than current TCP. Even if the maximum window size increases in the environment where packet loss occurs, the throughput of current TCP remains unchanged, while that of our TCP increases. Proposed TCP could improve the throughput of not only FTP but also CIFS. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | TCP / protocol / WAN / congestion control / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 230, IN2012-100, pp. 139-144, Oct. 2012. | |
| Paper # | IN2012-100 | |
| Date of Issue | 2012-10-03 (IN) | |
| 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 | IN2012-100 |
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| Conference Information | |
| Committee | IN |
| Conference Date | 2012-10-10 - 2012-10-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Univ. Sanjo-Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Resilient Network, Disaster Recovery, BCP(Business Continuity Plan), Temporary Network Construction, Power-Saving Network Technology, TCP/IP, Protocol, Routing, Network Management, Authentication/ID Management, etc |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2012-10-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Wide-Bandwidth Communication TCP for a Virtual Private WAN |
| Sub Title (in English) | |
| Keyword(1) | TCP |
| Keyword(2) | protocol |
| Keyword(3) | WAN |
| Keyword(4) | congestion control |
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| 1st Author's Name | Takashi Isobe |
| 1st Author's Affiliation | Hitachi, Ltd., Central Research Laboratory (Hitachi) |
| 2nd Author's Name | Daisuke Ito |
| 2nd Author's Affiliation | Hitachi, Ltd., Central Research Laboratory (Hitachi) |
| 3rd Author's Name | Dai Akashi |
| 3rd Author's Affiliation | Hitachi, Ltd., Central Research Laboratory (Hitachi) |
| 4th Author's Name | Satoshi Tsutsumi |
| 4th Author's Affiliation | Hitachi, Ltd., Central Research Laboratory (Hitachi) |
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| Speaker | Author-1 |
| Date Time | 2012-10-12 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | IN |
| Paper # | IN2012-100 |
| Volume (vol) | vol.112 |
| Number (no) | no.230 |
| Page | pp.139-144 |
| #Pages | 6 |
| Date of Issue | 2012-10-03 (IN) |
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