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software reliability and
proCess iMproveMent
Introduction
is chapter contains two parts. Part 1 discusses definition and
measurement and metrics of reliability based on standards. Part 2
discusses ISO 15504 standard, capability maturity models (CMMs),
personal software process (PSP), and team software process (TSP).
is chapter also provides an appendix that contains a software pro-
cess improvement sample document.
Part 1: Denition and Measurement
What Is Reliability?
According to IEEE 610 (p. 62) “Reliability is the ability of a system or
component to perform its required functions under stated conditions
for a specified period of time.”
In a very basic understanding, reliability means that confidence in a
given piece of software can be as ...