IEICE TRANSACTIONS on Information
User-Perceived Reliability of M-for-N (M:N) Shared Protection Systems
Summary :
In this paper we investigate the reliability of general type shared protection systems i.e. M for N (M:N) that can typically be applied to various telecommunication network devices. We focus on the reliability that is perceived by an end user of one of N units. We assume that any failed unit is instantly replaced by one of the M units (if available). We describe the effectiveness of such a protection system in a quantitative manner. The mathematical analysis gives the closed-form solution of the availability, the recursive computing algorithm of the MTTFF (Mean Time to First Failure) and the MTTF (Mean Time to Failure) perceived by an arbitrary end user. We also show that, under a certain condition, the probability distribution of TTFF (Time to First Failure) can be approximated by a simple exponential distribution. The analysis provides useful information for the analysis and the design of not only the telecommunication network devices but also other general shared protection systems that are subject to service level agreements (SLA) involving user-perceived reliability measures.
- Publication
- IEICE TRANSACTIONS on Information Vol.E92-D No.3 pp.443-450
- Publication Date
- 2009/03/01
- Publicized
- Online ISSN
- 1745-1361
- DOI
- 10.1587/transinf.E92.D.443
- Type of Manuscript
- PAPER
- Category
- Dependable Computing
Authors
Keyword
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Hirokazu OZAKI, Atsushi KARA, Zixue CHENG, "User-Perceived Reliability of M-for-N (M:N) Shared Protection Systems" in IEICE TRANSACTIONS on Information,
vol. E92-D, no. 3, pp. 443-450, March 2009, doi: 10.1587/transinf.E92.D.443.
Abstract: In this paper we investigate the reliability of general type shared protection systems i.e. M for N (M:N) that can typically be applied to various telecommunication network devices. We focus on the reliability that is perceived by an end user of one of N units. We assume that any failed unit is instantly replaced by one of the M units (if available). We describe the effectiveness of such a protection system in a quantitative manner. The mathematical analysis gives the closed-form solution of the availability, the recursive computing algorithm of the MTTFF (Mean Time to First Failure) and the MTTF (Mean Time to Failure) perceived by an arbitrary end user. We also show that, under a certain condition, the probability distribution of TTFF (Time to First Failure) can be approximated by a simple exponential distribution. The analysis provides useful information for the analysis and the design of not only the telecommunication network devices but also other general shared protection systems that are subject to service level agreements (SLA) involving user-perceived reliability measures.
URL: https://global.ieice.org/en_transactions/information/10.1587/transinf.E92.D.443/_p
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@ARTICLE{e92-d_3_443,
author={Hirokazu OZAKI, Atsushi KARA, Zixue CHENG, },
journal={IEICE TRANSACTIONS on Information},
title={User-Perceived Reliability of M-for-N (M:N) Shared Protection Systems},
year={2009},
volume={E92-D},
number={3},
pages={443-450},
abstract={In this paper we investigate the reliability of general type shared protection systems i.e. M for N (M:N) that can typically be applied to various telecommunication network devices. We focus on the reliability that is perceived by an end user of one of N units. We assume that any failed unit is instantly replaced by one of the M units (if available). We describe the effectiveness of such a protection system in a quantitative manner. The mathematical analysis gives the closed-form solution of the availability, the recursive computing algorithm of the MTTFF (Mean Time to First Failure) and the MTTF (Mean Time to Failure) perceived by an arbitrary end user. We also show that, under a certain condition, the probability distribution of TTFF (Time to First Failure) can be approximated by a simple exponential distribution. The analysis provides useful information for the analysis and the design of not only the telecommunication network devices but also other general shared protection systems that are subject to service level agreements (SLA) involving user-perceived reliability measures.},
keywords={},
doi={10.1587/transinf.E92.D.443},
ISSN={1745-1361},
month={March},}
Copy
TY - JOUR
TI - User-Perceived Reliability of M-for-N (M:N) Shared Protection Systems
T2 - IEICE TRANSACTIONS on Information
SP - 443
EP - 450
AU - Hirokazu OZAKI
AU - Atsushi KARA
AU - Zixue CHENG
PY - 2009
DO - 10.1587/transinf.E92.D.443
JO - IEICE TRANSACTIONS on Information
SN - 1745-1361
VL - E92-D
IS - 3
JA - IEICE TRANSACTIONS on Information
Y1 - March 2009
AB - In this paper we investigate the reliability of general type shared protection systems i.e. M for N (M:N) that can typically be applied to various telecommunication network devices. We focus on the reliability that is perceived by an end user of one of N units. We assume that any failed unit is instantly replaced by one of the M units (if available). We describe the effectiveness of such a protection system in a quantitative manner. The mathematical analysis gives the closed-form solution of the availability, the recursive computing algorithm of the MTTFF (Mean Time to First Failure) and the MTTF (Mean Time to Failure) perceived by an arbitrary end user. We also show that, under a certain condition, the probability distribution of TTFF (Time to First Failure) can be approximated by a simple exponential distribution. The analysis provides useful information for the analysis and the design of not only the telecommunication network devices but also other general shared protection systems that are subject to service level agreements (SLA) involving user-perceived reliability measures.
ER -
English
