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| Presentation | 2006-09-15 16:30 Throughput Optimization in TCP with a Performance Enhancing Proxy Shigeyuki Osada (Okayama Univ.), Wang Hui (Henan Univ. of Science and Thechnology), Tokumi Yokohira, Yukinobu Fukushima, Kiyohiko Okayama, Nariyoshi Yamai (Okayama Univ.)  NS2006-96 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To improve TCP throughput performance, a method using a PEP (Performance Enhancing Proxy) has been proposed. The PEP operates on a router along a TCP connection. When a data packet arrives at the PEP, it forwards the packet to the destination host, transmits the corresponding ACK (premature ACK) to the source host in behalf of the destination host, and stores a copy of the packet in its own buffer (PEP buffer) in case retransmission of the packet is required. As a congestion control method on the PEP, a method which keeps the number of prematurely acknowledged packets in the PEP buffer below a threshold (watermark) value has been proposed, and we have investigated the relation between the watermark value and the average throughput. In this paper, based on the relation, we propose an watermark optimization algorithm which can adaptively maximize the average throughput of each connection and also satisfy a fairness condition that the average throughputs of connections are equal to each other. We also show some numerical examples using the proposed algorithm. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | TCP / PEP / Premature ACK / watermark / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 236, NS2006-96, pp. 145-150, Sept. 2006. | |
| Paper # | NS2006-96 | |
| Date of Issue | 2006-09-07 (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 | NS2006-96 |
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| Conference Information | |
| Committee | IN NS CS |
| Conference Date | 2006-09-14 - 2006-09-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | VPN, NAT, Network security, DDos, P2P, etc. |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2006-09-IN-NS-CS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Throughput Optimization in TCP with a Performance Enhancing Proxy |
| Sub Title (in English) | |
| Keyword(1) | TCP |
| Keyword(2) | PEP |
| Keyword(3) | Premature ACK |
| Keyword(4) | watermark |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shigeyuki Osada |
| 1st Author's Affiliation | Okayama University (Okayama Univ.) |
| 2nd Author's Name | Wang Hui |
| 2nd Author's Affiliation | Henan University of Science and Thechnology (Henan Univ. of Science and Thechnology) |
| 3rd Author's Name | Tokumi Yokohira |
| 3rd Author's Affiliation | Okayama University (Okayama Univ.) |
| 4th Author's Name | Yukinobu Fukushima |
| 4th Author's Affiliation | Okayama University (Okayama Univ.) |
| 5th Author's Name | Kiyohiko Okayama |
| 5th Author's Affiliation | Okayama University (Okayama Univ.) |
| 6th Author's Name | Nariyoshi Yamai |
| 6th Author's Affiliation | Okayama University (Okayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2006-09-15 16:30:00 |
| Presentation Time | 20 minutes |
| Registration for | NS |
| Paper # | NS2006-96 |
| Volume (vol) | vol.106 |
| Number (no) | no.236 |
| Page | pp.145-150 |
| #Pages | 6 |
| Date of Issue | 2006-09-07 (NS) |
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