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Paper Abstract and Keywords
Presentation 2021-10-22 15:25
A Note on Sensitivity Analysis of Software Rejuvenation Model with Markov Regenerative Process
Junjun Zheng (Ritsumeikan Univ.), Hiroyuki Okamura, Tadashi Dohi (Hiroshima Univ.) R2021-32
Abstract (in Japanese) (See Japanese page) 
(in English) This paper considers the parametric sensitivity of a software rejuvenation model for transaction systems. The system behavior is described by a quasi birth-and-death (QBD) process with Markovian arrivals, and the software rejuvenation model is represented by a Markov regenerative process (MRGP). The stationary analysis of the MRGP model is based on the embedding Markov chain (EMC) approach. Then the sensitivities of the stationary solution and the performance criteria of interest, i.e., the loss probability of transactions, with respect to all model parameters, are formulated. Finally, a numerical experiment was conducted to illustrate the critical parameters that significantly affect the system performance.
Keyword (in Japanese) (See Japanese page) 
(in English) sensitivity analysis / software rejuvenation / Markov regenerative process (MRGP) / stationary analysis / Markovian arrival process (MAP) / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 216, R2021-32, pp. 13-18, Oct. 2021.
Paper # R2021-32 
Date of Issue 2021-10-15 (R) 
ISSN Online edition: ISSN 2432-6380
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)
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Conference Information
Committee R  
Conference Date 2021-10-22 - 2021-10-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Reliability of Information Communication System, Reliability General 
Paper Information
Registration To R 
Conference Code 2021-10-R 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Note on Sensitivity Analysis of Software Rejuvenation Model with Markov Regenerative Process 
Sub Title (in English)  
Keyword(1) sensitivity analysis  
Keyword(2) software rejuvenation  
Keyword(3) Markov regenerative process (MRGP)  
Keyword(4) stationary analysis  
Keyword(5) Markovian arrival process (MAP)  
1st Author's Name Junjun Zheng  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Hiroyuki Okamura  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Tadashi Dohi  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2021-10-22 15:25:00 
Presentation Time 25 minutes 
Registration for R 
Paper # R2021-32 
Volume (vol) vol.121 
Number (no) no.216 
Page pp.13-18 
Date of Issue 2021-10-15 (R) 

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