Toward Development of Adaptive Service-Based Software Systems

The rapid adoption of service-oriented architecture (SOA) in many large-scale distributed applications requires the development of adaptive service-based software systems (ASBS) with the capability of monitoring the changing system status, analyzing, and controlling tradeoffs among various quality-o...

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Vydáno v:IEEE transactions on services computing Ročník 2; číslo 3; s. 247 - 260
Hlavní autoři: Yau, S.S., Nong Ye, Sarjoughian, H.S., Dazhi Huang, Roontiva, A., Baydogan, M., Muqsith, M.A.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 01.07.2009
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Adaptation model
Adaptive systems
Computational modeling
Computer programs
Data models
Design concepts
distributed/Internet-based software engineering tools and techniques
Dynamical systems
Dynamics
Mathematical models
methodologies
modeling methodologies
Modules
Monitoring
Quality of service
quality of services
Scattering
Service oriented architecture
services systems
Software
Unified modeling language
ISSN:1939-1374, 2372-0204
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Shrnutí:The rapid adoption of service-oriented architecture (SOA) in many large-scale distributed applications requires the development of adaptive service-based software systems (ASBS) with the capability of monitoring the changing system status, analyzing, and controlling tradeoffs among various quality-of-service (QoS) aspects, and adapting service configurations to satisfy multiple QoS requirements simultaneously. In this paper, our results toward the development of adaptive service-based software systems are presented. The formulation of activity-state-QoS (ASQ) models and how to use the data from controlled experiments to establish ASQ models for capturing the cause-effect dynamics among service activities, system resource states, and QoS in service-based systems are presented. Then, QoS monitoring modules based on ASQ models and SOA-compliant simulation models are developed to support the validation of the ASBS design. The main idea for developing QoS adaptation modules based on ASQ models is discussed. An experiment based on a voice communication service is used to illustrate our results.
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ISSN:1939-1374
2372-0204
DOI:10.1109/TSC.2009.17