Towards a conceptual framework for decomposing non-functional Requirements of business process into quality of service attributes

Camila F. Castro, Marcelo Fantinato, Ünal Aksu, Hajo A. Reijers, Lucinéia H. Thom

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    Non-functional Requirements (NFRs) of web services are defined by IT teams at the implementation level often as Quality of Service (QoS) attributes. Orchestrating web services to run business processes requires a rigorous definition of the NFRs of such web services. The definition of QoS attributes should consider the business process NFRs since misinterpretations of web service NFRs may affect the behavior of the web services and hence achieving the business goals. The approaches proposed so far are still heavily dependent on an IT expert’s knowledge to identify the appropriate QoS attributes required to meet particular business process NFRs. Defining appropriate QoS attributes without reference to business process-level NFRs may be a costly, time-consuming task. We propose a conceptual framework for the hierarchical decomposition of NFRs from the business process level to the web service level. This framework seeks to reduce the dependence on a particular IT expert’s knowledge by simplifying the dialog between the business and IT areas. The proposed framework relies on a structure of NFRs interdependence. The main reference was the ISO/IEC 25010 Product Quality Model, extended by additional software quality models and particular QoS attributes.

    Original languageEnglish
    Title of host publicationICEIS 2019 - Proceedings of the 21st International Conference on Enterprise Information Systems
    EditorsJoaquim Filipe, Alexander Brodsky, Michal Smialek, Slimane Hammoudi
    PublisherSciTePress
    Pages481-492
    Number of pages12
    Volume2
    ISBN (Electronic)9789897583728
    DOIs
    Publication statusPublished - 3 May 2019
    Event21st International Conference on Enterprise Information Systems, ICEIS 2019 - Heraklion, Crete, Greece
    Duration: 3 May 20195 May 2019

    Conference

    Conference21st International Conference on Enterprise Information Systems, ICEIS 2019
    Country/TerritoryGreece
    CityHeraklion, Crete
    Period3/05/195/05/19

    Keywords

    • Non-functional Requirements
    • Quality of Services
    • Service Level Agreements
    • Web services

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