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| Presentation | 2009-12-10 16:30 [Encouragement Talk] On Control Parameters for Divisional Downloading using SCTP Multistream Junichi Funasaka, Toshio Niyagawa, Kenji Ishida (Hiroshima City Univ.)  NS2009-128 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | "Parallel Downloading", which divides a file into many pieces and assigns each piece to one of the servers which store the file, has been proposed and reported to achieve high speed file retrieval from many servers in parallel. The conventional method which adopts TCP as a transport protocol has a problem that its performance deteriorates in the network where packet losses frequently occur at the datalink layer. To address this issue, we have already proposed a parallel downloading method which uses SCTP instead of TCP as a transport protocol and focuses on its multistream feature. We have discussed how to realize the effective parallel downloading method using SCTP multistream and evaluate it, using only one server to simplify the problem (called as "division downloading".) In this report, we analyzed the simulation experiments from the viewpoint of parameters which determine the behaviour of division downloading, such as the number of concurrent requests, the number of streams, and the block size. As a result, it is confirmed that enough large size of blocks yield high performance steadily and SCTP multistream can enhance loss resilient data transfer with not so many number of concurrent requests. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Division downloading / HTTP / SCTP / Parallel download / Multistream / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 326, NS2009-128, pp. 45-50, Dec. 2009. | |
| Paper # | NS2009-128 | |
| Date of Issue | 2009-12-03 (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 | NS2009-128 |
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| Conference Information | |
| Committee | NS |
| Conference Date | 2009-12-10 - 2009-12-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ehime University (Ehime) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2009-12-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On Control Parameters for Divisional Downloading using SCTP Multistream |
| Sub Title (in English) | |
| Keyword(1) | Division downloading |
| Keyword(2) | HTTP |
| Keyword(3) | SCTP |
| Keyword(4) | Parallel download |
| Keyword(5) | Multistream |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Junichi Funasaka |
| 1st Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
| 2nd Author's Name | Toshio Niyagawa |
| 2nd Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
| 3rd Author's Name | Kenji Ishida |
| 3rd Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-12-10 16:30:00 |
| Presentation Time | 25 minutes |
| Registration for | NS |
| Paper # | NS2009-128 |
| Volume (vol) | vol.109 |
| Number (no) | no.326 |
| Page | pp.45-50 |
| #Pages | 6 |
| Date of Issue | 2009-12-03 (NS) |
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