Software Development

Design for Trustworthy Software: Tools, Techniques, and by Bijay K. Jayaswal PDF

By Bijay K. Jayaswal

ISBN-10: 0131872508

ISBN-13: 9780131872509

This e-book provides an built-in expertise, layout for reliable software program (DFTS), to deal with software program caliber concerns upstream such that the aim of software program caliber turns into that of stopping insects in implementation instead of discovering and casting off them in the course of and after implementation. The thrust of the know-how is that significant caliber deployments ensue sooner than a unmarried line of code is written! This customer-oriented built-in know-how will help bring step forward leads to expense, caliber, and supply time table therefore assembly and exceeding purchaser expectancies. The authors describe the foundations at the back of the know-how in addition to their purposes to real software program layout difficulties. They current illustrative case reviews protecting numerous features of DFTS expertise together with CoSQ, AHP, TRIZ, FMEA, QFD, and Taguchi equipment and supply plentiful questions and routines to check the readers knowing of the fabric as well as exact examples of the functions of the know-how. The e-book can be utilized to impart organization-wide studying together with education for DFTS Black Belts and grasp Black Belts. It is helping you achieve fast mastery, so that you can installation DFTS know-how quick and successfully.Learn how you can • Plan, build,maintain, and enhance your reliable software program improvement process• Adapt most sensible practices of caliber, management, studying, and administration for the original software program improvement milieu• hearken to the customer's voice, then consultant person expectancies to realizable, trustworthy software program items• Refocus on customer-centered matters corresponding to reliability, dependability, availability, and upgradeability• motivate better layout creativity and innovation• Validate, be certain, try, overview, combine, and hold software program for trustworthiness• study the monetary effect of software program caliber• organize your management and infrastructure for DFTS layout for reliable software program can help you enhance caliber even if you boost in-house, outsource, seek advice, or supply help. It bargains step forward suggestions for the full spectrum of software program and caliber professionals-from builders to venture leaders, leader software program architects to consumers.

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Additional info for Design for Trustworthy Software: Tools, Techniques, and Methodology of Developing Robust Software

Sample text

Hence, design problems or lapses may not be detected until late in the development process or during usage. It may also be noted that today many hardware products are increasingly dependent on software for their functioning. These complex systems present another level of challenge for software design. Comparing Software and Hardware Reliability Hardware unreliability is dominated by random physical failure of individual components, which are often a consequence of the perversity of nature. Software, on the other hand, is characterized by the discrete behavior of digital systems.

Some 40% of software development cost today is incurred for testing to remove errors. Software reliability too is critical, because the software-to-hardware failure frequency rate could be 100:1, or even higher. This chapter discusses the fallacies of traditional quality systems in the context of delivering trustworthy software. It proposes an integrated software development technology, Design for Trustworthy Software (DFTS), based on three key elements: an iterative Robust Software Development Model, Software Design Optimization Engineering, and Object-Oriented Design Technology.

Rajendra Prasad, F. A. Tillman, and Ching-Lai Wang. Optimal Reliability Design. 1, p. 4. ntemporary 54 Software Development Process, Their Shortcomings, and the Challenge of Trustworthy Software Part I: Contemporary Software Development Process, Their Shortcomings, and the Challenge of Trustworth 55 Causes of Software Unreliability Software reliability is a major societal issue. In fact, it is assuming global significance, and considerable resources are being committed to address it. The following are major causes of software unreliability: • Lack of management commitment: The most common causes of quality problems are lack of management commitment, involvement, and support.

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Design for Trustworthy Software: Tools, Techniques, and Methodology of Developing Robust Software by Bijay K. Jayaswal

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