NDLI: Verification of a dependability model of IT services associated with social and economic infrastructure

Content Provider	IEEE Xplore Digital Library
Author	Ohtaka, H. Oshika, K. Gotou, M. Yoshitani, T. Fukazawa, Y.
Copyright Year	2010
Description	Author affiliation: School of Fundamental Science and Engineering, Waseda University, Tokyo, Japan (Fukazawa, Y.) \|\| Project Mieruka, Software Engineering Center, Information-technology Promotion Agency, Japan, Tokyo, Japan (Ohtaka, H.; Oshika, K.; Gotou, M.; Yoshitani, T.)
Abstract	Defects in information technology (IT) services will have greater negative impacts on social and economic activities in the future, since the risks of such defects are increasing due to their wider applications and the growth of IT systems' complexity and scale. In this paper, upon surveying the current state of affairs and seeing that little progress has been made towards understanding and reducing defects in IT services that influence social and economic activities, despite a number of efforts including upgrading software and hardware quality, we propose a new approach to understanding the dependability of IT services by discussing a dependability model. The model consists of not only functions for legacy system dependability but also two types of functions (additional safety and safety operation). Next we evaluate the efficacy of these two types of functions relative to IT dependability, both qualitatively and quantitatively, by using 42 actual cases of IT accidents obtained by the Information-technology Promotion Agency, Japan. Moreover, based on the verification, we examine the ways in which improvement of IT dependability associated with social and economic infrastructure, previously dependent on the skill of individual engineers, is eventually achieved as a result of organizational activities.
Starting Page	577
Ending Page	582
File Size	445131
Page Count	6
File Format	PDF
ISBN	9781424473847
e-ISBN	9781424473861
DOI	10.1109/ICICIS.2010.5534760
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dependability Humans Control systems Environmental economics Information technology Social and economic infrastructure IT service Enterprise information system Fault tolerance Computer bugs Software quality Hardware Safety Capability maturity model Accidents
Content Type	Text
Resource Type	Article

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