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| Paper Abstract and Keywords | ||
| Presentation | 2007-09-21 10:10 Retransmission Control in TCP with a Performance Enhancing Proxy Yuichi Nishida, Tokumi Yokohira, Yukinobu Fukushima (Okayama Univ.)  NS2007-68 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to improve TCP performance in networks with large round trip time, a method using a PEP (Performance Enhancing Proxy) is a proposed. In the method, the PEP is located on a intermediate router along a TCP connection, and returns acknowlegdment packets (premture ACKs) to the source host instead of the destination host. In previous researches, although a congestion control in the PEP which keeps the number of prematurely acknowledged packets below a threshold (watermark) value has been proposed, packet losses are not taken into account. In this paper, we incorporate a retransmission control to deal with packet losses into the congestion control. the proposed retransmission control mainly has two functions. One is to return duplicate premature ACKs to solicit the fast retransmission in the source host, and the other is to retransmit packets by timeouts and receive of duplicate acknowledgments from the destination host. In addition, TCP selective acknowledgment (SACK) option is supported in the PEP. If the source host can treat the option, the PEP returns premature ACKs with the option. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | TCP / PEP / Premature ACK / watermark / SACK / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 221, NS2007-68, pp. 77-82, Sept. 2007. | |
| Paper # | NS2007-68 | |
| Date of Issue | 2007-09-13 (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 | NS2007-68 |
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| Conference Information | |
| Committee | NS CS IN |
| Conference Date | 2007-09-20 - 2007-09-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Overlay networks, VPN, DDos, network security, p2p communications, network software, etc. |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2007-09-NS-CS-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Retransmission Control 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) | SACK |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuichi Nishida |
| 1st Author's Affiliation | Okayama University (Okayama Univ.) |
| 2nd Author's Name | Tokumi Yokohira |
| 2nd Author's Affiliation | Okayama University (Okayama Univ.) |
| 3rd Author's Name | Yukinobu Fukushima |
| 3rd Author's Affiliation | Okayama University (Okayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-09-21 10:10:00 |
| Presentation Time | 20 minutes |
| Registration for | NS |
| Paper # | NS2007-68 |
| Volume (vol) | vol.107 |
| Number (no) | no.221 |
| Page | pp.77-82 |
| #Pages | 6 |
| Date of Issue | 2007-09-13 (NS) |
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