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Paper Abstract and Keywords
Presentation 2013-01-17 13:20
Improvement of Inter-site Replicate Transaction for High Load Object Storage
Kazuyoshi Jinnai, Minoru Kato (NTT-COMWARE), Shinji Kono (NTT-INTERNET), Mitsutomo Imazaki (NTT-COMWARE) ICM2012-44 LOIS2012-54
Abstract (in Japanese) (See Japanese page) 
(in English) In the present days of cloud computing, users can handle their own data anytime anywhere from cloud storage provided by cloud resource providers using mobile client. Storage amount of the cloud resource providers who provide such mass services continues to grow. These cloud resource providers are now beginning to use distributed object storage instead of
traditional mainstream Storage Area Network. (Using big virtual volumes created by many cheap PC servers on networks)
Since the distributed object storage is easy to maintain performance under high load dispersing huge amount and has no constraints of geographically distributed locations, some enterprise systems are now beginning to consider adopting this for disaster recovery.
However, the object storage needs complex synchronous method for replication between clusters because it has unique structures replacing their own files. In case of a disaster, business continuity of backup cluster gets an impact from slow replicating transactions of main cluster particularly under high load. In case the main cluster gets shut down, there remains high load of un-transferred data, backup cluster would become useless, and too much data would be lost.
This paper discusses ways to shorten the time to replicate transactions with simple synchronous method using SWIFT, a component of Open Stack, and proposes a way to improve, based on the findings from the actual test conducted as its verification.
Keyword (in Japanese) (See Japanese page) 
(in English) Open Stack / Swift / Distributed Object Storage / Distributed File System / Disaster Recovery / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 378, ICM2012-44, pp. 41-46, Jan. 2013.
Paper # ICM2012-44 
Date of Issue 2013-01-10 (ICM, LOIS) 
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 ICM2012-44 LOIS2012-54

Conference Information
Committee ICM LOIS  
Conference Date 2013-01-17 - 2013-01-18 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICM 
Conference Code 2013-01-ICM-LOIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Inter-site Replicate Transaction for High Load Object Storage 
Sub Title (in English)  
Keyword(1) Open Stack  
Keyword(2) Swift  
Keyword(3) Distributed Object Storage  
Keyword(4) Distributed File System  
Keyword(5) Disaster Recovery  
Keyword(6)  
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1st Author's Name Kazuyoshi Jinnai  
1st Author's Affiliation NTT-COMWARE (NTT-COMWARE)
2nd Author's Name Minoru Kato  
2nd Author's Affiliation NTT-COMWARE (NTT-COMWARE)
3rd Author's Name Shinji Kono  
3rd Author's Affiliation NTT-INTERNET (NTT-INTERNET)
4th Author's Name Mitsutomo Imazaki  
4th Author's Affiliation NTT-COMWARE (NTT-COMWARE)
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Speaker Author-2 
Date Time 2013-01-17 13:20:00 
Presentation Time 20 minutes 
Registration for ICM 
Paper # ICM2012-44, LOIS2012-54 
Volume (vol) vol.112 
Number (no) no.378(ICM), no.379(LOIS) 
Page pp.41-46 
#Pages 6 
Date of Issue 2013-01-10 (ICM, LOIS) 

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