Quality Characteristics for Technical Testing - Reliability Testing - Introduction

4 important questions on Quality Characteristics for Technical Testing - Reliability Testing - Introduction

What are according to the ISO 25010 classification of product characteristics the sub-characteristics of reliability?

  • Maturity
  • Fault tolerance
  • Recoverability
  • Availability.

What is the definition of the sub-characteristics of reliability- fault tolerance?


Fault tolerance - the capability of the software product to maintain a specified level of performance in cases of software defects or of infringement of its specified interface.

What is the definition of the sub-characteristics of reliability- recoverability?


Recoverability - the capability of the software product to re-establish a specified level of performance and recover the data directly affected in case of failure.
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What is the definition of the sub-characteristics of reliability- availability?


Availability - the degree to which a component or system is operational and accessible when required for use.

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