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Paper Abstract and Keywords
Presentation 2015-01-22 10:40
Consideration on iOS TCP Performance Problem at Busty Packet Losses
Weikai Wang, Celimuge Wu, Satoshi Ohzahata, Toshihiko Kato (Univ. of Electro-Comm.) CQ2014-89
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, packet losses can be caused by transmission interruptions such as handoffs in the mobile networks and protection switching in the transport networks. These packet losses are bursty because the transmission interruptions continue for tens of miliseconds through several seconds. Previously, we performed the experimental analysis for various TCP versions running on Linux and MAC OS, and found that, although TCPs in Linux recover from bursty losses quickly, TCP in OS X shows an intermittent data transfer during the timeout retransmission invoked by bursty losses, which takes several seconds for retransmitting all of the lost packets. In this paper, we give detailed results of experimental analysis. Based on this analysis, we clarify the reason for the intermittent data transfer in MAC OS X by taking account of newly introduced TCP procedures, such as F-RTO and Early Retransmit.
Keyword (in Japanese) (See Japanese page) 
(in English) TCP / Bursty Packet Losses / Timeout Retransmission / F-RTO / Early Retransmit / Limited Transmit / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 404, CQ2014-89, pp. 19-24, Jan. 2015.
Paper # CQ2014-89 
Date of Issue 2015-01-15 (CQ) 
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 CQ2014-89

Conference Information
Committee CQ  
Conference Date 2015-01-22 - 2015-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2015-01-CQ 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Consideration on iOS TCP Performance Problem at Busty Packet Losses 
Sub Title (in English)  
Keyword(1) TCP  
Keyword(2) Bursty Packet Losses  
Keyword(3) Timeout Retransmission  
Keyword(4) F-RTO  
Keyword(5) Early Retransmit  
Keyword(6) Limited Transmit  
Keyword(7)  
Keyword(8)  
1st Author's Name Weikai Wang  
1st Author's Affiliation University of Electro-Communications (Univ. of Electro-Comm.)
2nd Author's Name Celimuge Wu  
2nd Author's Affiliation University of Electro-Communications (Univ. of Electro-Comm.)
3rd Author's Name Satoshi Ohzahata  
3rd Author's Affiliation University of Electro-Communications (Univ. of Electro-Comm.)
4th Author's Name Toshihiko Kato  
4th Author's Affiliation University of Electro-Communications (Univ. of Electro-Comm.)
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Speaker Author-1 
Date Time 2015-01-22 10:40:00 
Presentation Time 20 minutes 
Registration for CQ 
Paper # CQ2014-89 
Volume (vol) vol.114 
Number (no) no.404 
Page pp.19-24 
#Pages 6 
Date of Issue 2015-01-15 (CQ) 

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