Applying Model Transformations to Optimizing Real-Time QoS Configurations in DRE Systems
QoSA '09 Proceedings of the 5th International Conference on the Quality of Software Architectures: Architectures for Adaptive Software Systems
Middleware-based distributed systems software process
Proceedings of the 2009 International Conference on Hybrid Information Technology
Online robust optimization framework for QoS guarantees in distributed soft real-time systems
EMSOFT '10 Proceedings of the tenth ACM international conference on Embedded software
Scheduling configuration of real-time component-based applications
Ada-Europe'10 Proceedings of the 15th Ada-Europe international conference on Reliable Software Technologies
Design of component-based real-time applications
Journal of Systems and Software
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Quite often the modeling tools used in the development lifecycle of distributed real-time and embedded (DRE) systems are middleware-specific, where they elevate middleware artifacts, such as configuration options, to first class modeling entities. Unfortunately, this level of abstraction does not resolve the complex issues in middleware configuration process for QoS assurance. This paper describes GTQMAP (Graph Transformation for QoS MAPping) model-driven engineering toolchain that combines (1) domain-specific modeling, to simplify specifying the QoS requirements of DRE systems intuitively, and (2) model transformations, to automate the mapping of domain-specific QoS requirements to middleware-specific QoS configuration options. The paper evaluates the automation capabilities ofGT-QMAP in the context of three DRE system case studies.The results indicate that on an average the modeling effort is reduced by over 75%. Further, the results also indicate that GT-QMAP provides significant benefits in terms of scalability and automation as DRE system QoS requirements evolve during its entire development lifecycle.