Software Architecture Quality of Service Analysis Based on Optimization Models


Kahraman C. , Yanık Özbay S.

INTELLIGENT DECISION MAKING IN QUALITY MANAGEMENT: THEORY AND APPLICATIONS, cilt.97, ss.421-446, 2016 (Diğer Kurumların Hakemli Dergileri) identifier

  • Cilt numarası: 97
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1007/978-3-319-24499-0_14
  • Dergi Adı: INTELLIGENT DECISION MAKING IN QUALITY MANAGEMENT: THEORY AND APPLICATIONS
  • Sayfa Sayıları: ss.421-446

Özet

The ability to predict Quality of Service (QoS) of a software architecture supports a large set of decisions across multiple lifecycle phases that span from design through implementation-integration to adaptation phase. However, due to the different amount and type of information available, different prediction approaches can be introduced in each phase. A major issue in this direction is that QoS attribute cannot be analyzed separately, because they (sometime adversely) affect each other. Therefore, approaches aimed at the tradeoff analysis of different attributes have been recently introduced (e.g., reliability versus cost, security versus performance). In this chapter we focus on modeling and analysis of QoS tradeoffs of a software architecture based on optimization models. A particular emphasis will be given to two aspects of this problem: (i) the mathematical foundations of QoS tradeoffs and their dependencies on the static and dynamic aspects of a software architecture, and (ii) the automation of architectural decisions driven by optimization models for QoS tradeoffs.