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Software Metrics, 3rd Edition
book

Software Metrics, 3rd Edition

by Norman Fenton, James Bieman
October 2014
Intermediate to advanced content levelIntermediate to advanced
617 pages
19h 10m
English
CRC Press
Content preview from Software Metrics, 3rd Edition
520 Software Metrics
EX AMPLE 11.21
Rouquet and Traverse report that the reliability requirement for the y-by-
wire computer system of the Airbus A320 is a failure rate of 10
9
/h, because
loss of this function cannot be tolerated (Rouquet and Traverse 1986). Since
this reliability constraint is the system requirement, the software requirement
must be even more restrictive.
Example 11.21 describes ultra-high reliability, where the system can tol-
erate at most one failure in 10
9
h. Since this constraint translates to over
100,000 years of operation, we cannot possibly run the system and observe
the failure times to measure reliability. us, ...
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Publisher Resources

ISBN: 9781439838228