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| Presentation | 2019-11-28 15:35 A Note on Optimal Rejuvenation Policies for Non-Markovian Availability Models with Aperiodic Checkpointing Junjun Zheng (Ritsumeikan Univ.), Hiroyuki Okamura, Tadashi Dohi (Hiroshima Univ.)  R2019-47 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we present non-Markovian availability models for capturing the dynamics of system behavior of an operational software system that undergoes aperiodic time-based software rejuvenation and checkpointing schemes. Two availability models with rejuvenation are considered according to the procedure after the completion of rollback recovery operation. We further proceed to investigate whether there exists the optimal rejuvenation schedule that maximizes the steady-state system availability, which is derived by the means of the phase expansion technique. The numerical experiments are conducted to determine the optimal rejuvenation trigger timing maximizing the system availability for each availability model, and to compare both two models. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | software rejuvenation / checkpointing / optimal rejuvenation policy / non-Markovian process / phase expansion / steady-state availability / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 315, R2019-47, pp. 23-28, Nov. 2019. | |
| Paper # | R2019-47 | |
| Date of Issue | 2019-11-21 (R) | |
| 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 | R2019-47 |
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| Conference Information | |
| Committee | R |
| Conference Date | 2019-11-28 - 2019-11-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Central Electric Club |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Reliability of semiconductor and electronic devices, Reliability general |
| Paper Information | |
| Registration To | R |
| Conference Code | 2019-11-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 Optimal Rejuvenation Policies for Non-Markovian Availability Models with Aperiodic Checkpointing |
| Sub Title (in English) | |
| Keyword(1) | software rejuvenation |
| Keyword(2) | checkpointing |
| Keyword(3) | optimal rejuvenation policy |
| Keyword(4) | non-Markovian process |
| Keyword(5) | phase expansion |
| Keyword(6) | steady-state availability |
| Keyword(7) | |
| Keyword(8) | |
| 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 | 2019-11-28 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | R |
| Paper # | R2019-47 |
| Volume (vol) | vol.119 |
| Number (no) | no.315 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2019-11-21 (R) |
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