More Reliable Software Faster and Cheaper

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How Software Reliability Engineering Can Help Testers

and 5 of the Software Engineering Institute Capability Maturity Model.

The cost of implementing SRE is small. There is an investment cost of not more than three equivalent staff days per person in an organization, which includes a two-day course for everyone and planning with a much smaller number. The operating cost over the project lifecycle typically varies from 0.1 to 3 percent of total project cost. The schedule impact of SRE is minimal, since most SRE activities involve only a small effort that can parallel other software development work. The only significant critical path activity is two days of training.

Conclusion
If you apply SRE in all the software-based products you test, you will be controlling the process rather than it controlling you. You will find that you can be confident of the reliability and availability of the products you release. At the same time, you will deliver
them in minimum time and cost for those levels of reliability and availability. You will have maximized your efficiency in satisfying your customers' needs. This is a vital skill to possess if you are to be competitive in today's marketplace.

Further Resources "
Course for practitioners: More Reliable Software Faster and Cheaper -two days (onsite or public)-conducted by John D. Musa.

Software Reliability Engineering by John D. Musa. This book is a very practitioner-oriented, systematic, thorough, up-to-date presentation of SRE practice. It includes more than 350 frequently asked questions.

More Reliable Software Faster and Cheaper (Software Reliability Engineering) Web site . Short and long overviews, bibliography of articles by software reliability engineering users, course information and announcements, consulting information, deployment advice, Question of the Month.

About the author

John D. Musa's picture John D. Musa

John D. Musa is one of the creators of the field of software reliability engineering (SRE) and is widely recognized as the leader in reducing it to practice. He currently teaches a two-day course, More Reliable Software Faster and Cheaper, worldwide to organizations who want to deploy the SRE practice. He also consults with a wide variety of clients. He is principal author of the widely-acclaimed pioneering book Software Reliability and author of the practically-oriented Software Reliability Engineering. Elected IEEE Fellow in 1986 for his many seminal contributions, he was recognized in 1992 as the leading contributor to testing technology. His leadership has been recognized by every edition of Who's Who in America since 1990 and by American Men and Women of Science. He has more than 30 years of diversified practical experience as software practitioner and manager. He has published more than 100 papers and given more than 200 major presentations. You can reach him at j.musa@ieee.org.

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