<> category of software quality attributes that bears on software quality. Customer Satisfaction When the system requirements are defined, it is essential also to define what is expected regarding these quality attributes, since these expectations will guide the planning of the system architecture and design. Software functional quality reflects how well it complies with or conforms to a given design, based on functional requirements or specifications. combination of interacting elements organized to achieve one or more stated purposes . <> Which attributes matter for you heavily depends on your situation and the different stakeholders of your system. The quality model determines which quality characteristics will be taken into account when evaluating the properties of a software product.. Software quality has many facets, including verifiability, robustness, maintainability, reusability, and understandability. Software Quality Attributes: The Basics. Publisher: Software Engineering Institute. This model classifies all software requirements into 11 software quality factors. 12 software architecture quality attributes. This standard describes a hierarchy of eight quality characteristics, each composed of sub-characteristics: Functional suitability; Reliability; Operability; Performance efficiency; Security; Compatibility Performance – shows the response of the system to performing certain actions for a certain period of time. Functionality, usability, reliability, performance and supportability are together referred to as FURPS in relation to software requirements. 8 0 obj Quality attributes are used to evaluate the quality of a system. >> x��=ks�F��S����� c ���l��u.��X�V�IXS�BRvtu?��{� ����L=3==�������]�7���o�>?�֛��*������������w�n�>u�ݳgً�^f/.����k�1�]\�� Diese aktuellen Herausforderungen beeinflussen auch die Art, wie Software entworfen und entwickelt wird. Therefore, although software may conform to its specification, users don’t meet their quality expectations. Now let’s see how can one measure some Quality Attributes of product or application. Each attribute can be used to measure product performance. Customer Problems 4. Product operation factors− Correctness, Reliability, Efficiency, Integrity, Usability. 3. SoftwareentwicklerInnen haben nicht die Zeit, auf eine Homogenisierung des Technologie-Portfolios zu warten, sie müssen also mit dieser Heterogenität umgehen können. Diploma Thesis Author: Andreas Jetter, andreas.jetter@gmx.ch Project period: 3.4.2006 - 3.10.2006 Software Evolution & Architecture Lab Department of Informatics, University of Zurich. Correctness: The correctness of a software system refers to: – Agreement of program code with specifications – Independence of the actual application of the software system. 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