+2 votes
in Software Engineering by

1 Answer

+2 votes
selected by (user.guest)
Best answer

The aim of reliability testing is to measure the reliability of a system. 

The reliability measurement is not easy to apply practically. The difficulties that arise are:

1. Operational profile uncertainty: The operational profiles based on experience with other systems may not be an accurate reflection of the real use of the system.

2. High costs of test data generation: It can be very expensive to generate large volume of data required in an operational profile unless the process can be totally automated.

3. Statistical uncertainty when high reliability is specified: You have to generate a statistically significant numbers of failures to allow accurate reliability measurements. When the software is reliable, relatively few failures occur and it is difficult to generate new failures.

4. Recognition failure: It is not always obvious whether or not a system failure has occurred. If you have a formal specification, you may be able to identify deviations from that specification but, if the specification is in natural language, there may be ambiguities.

Related questions

Welcome to CPEN Talk
Solution-oriented students of computer engineering on one platform to get you that


When Chuck Norris throws exceptions, it's across the room.