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Paper Abstract and Keywords
Presentation 2009-05-29 13:55
Software Performability Model with Two Kinds of Restoration
Koichi Tokuno, Shigeru Yamada (Tottori Univ.) R2009-11
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we discuss software performability evaluation considering the real-time property. The time-dependent behavior of the system alternating between up and down state is described by the Markov process. Then we incorporate the operation-oriented restoration scenario into the model, i.e., we consider the following two types of restoration: one is the restoration with debugging and the other is without debugging. Assuming that the software system can process the multiple tasks simultaneously, we also consider the variety of tasks in terms of the task arrival process and the processing time limit. We describe the arrival process of the tasks follows a nonhomogeneous Poisson process and treat the processing time limit as a random variable. We analyze the distribution of the number of tasks whose processes can be completed within the processing time limit with the infinite server queueing model. From the model, we derive several software performability measures considering the real-time property. Finally, we illustrate several numerical examples of the measures to investigate the impact of the variety of tasks and the operational restoration on the system performability evaluation.
Keyword (in Japanese) (See Japanese page) 
(in English) Performability / Operation-oriented restoration / Real-time property / Variety of tasks / Infinite-server queueing model / Software reliability growth / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 67, R2009-11, pp. 19-24, May 2009.
Paper # R2009-11 
Date of Issue 2009-05-22 (R) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 R2009-11

Conference Information
Committee R  
Conference Date 2009-05-29 - 2009-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Shudo University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To R 
Conference Code 2009-05-R 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Software Performability Model with Two Kinds of Restoration 
Sub Title (in English)  
Keyword(1) Performability  
Keyword(2) Operation-oriented restoration  
Keyword(3) Real-time property  
Keyword(4) Variety of tasks  
Keyword(5) Infinite-server queueing model  
Keyword(6) Software reliability growth  
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Keyword(8)  
1st Author's Name Koichi Tokuno  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name Shigeru Yamada  
2nd Author's Affiliation Tottori University (Tottori Univ.)
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Speaker Author-1 
Date Time 2009-05-29 13:55:00 
Presentation Time 25 minutes 
Registration for R 
Paper # R2009-11 
Volume (vol) vol.109 
Number (no) no.67 
Page pp.19-24 
#Pages 6 
Date of Issue 2009-05-22 (R) 

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