Download Architectures for Adaptive Software Systems: 5th by Raffaela Mirandola, Ian Gorton, Christine Hofmeister PDF

By Raffaela Mirandola, Ian Gorton, Christine Hofmeister

This e-book constitutes the completely refereed complaints of the fifth foreign convention at the caliber of software program Architectures, QoSA 2009, held in East Stroudsbury, PA, united states in June 2009, along side the twelfth overseas Symposium on part established software program Engineering (CBSE 2009). The thirteen revised complete papers have been rigorously reviewed and chosen from 33 submissions. The papers are prepared in topical sections on model-driven caliber research, architectural functionality prediction, architectural wisdom, in addition to case experiences and adventure stories.

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Read or Download Architectures for Adaptive Software Systems: 5th International Conference on the Quality of Software Architectures, QoSA 2009, East Stroudsburg, PA, USA, ... Programming and Software Engineering) PDF

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Extra resources for Architectures for Adaptive Software Systems: 5th International Conference on the Quality of Software Architectures, QoSA 2009, East Stroudsburg, PA, USA, ... Programming and Software Engineering)

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Zitzler, E. ) EMO 2005. LNCS, vol. 3410, pp. 150–164. se Abstract. When software projects evolve their actual implementation and their intended architecture may drift apart resulting in problems for further maintenance. As a countermeasure it is good software engineering practice to check the implementation against the architectural description for consistency. In this work we check software developed by a Model Driven Software Development (MDSD) process. This allows us to completely automate consistency checking by deducing information from implementation, design documents, and model transformations.

Another approach to optimizing the middleware at design/development-time employs context-specific middleware specializations for product-line architectures [16]. This work is based on utilizing application-, middleware- and platform-level properties that do not vary during the normal application execution in order to reduce the excessive overhead caused by the generality of middleware platforms. Some work has also been done in the area of Aspect-Oriented Programming (AOP) techniques that rely essentially on automatically deriving subsets of middleware based on the use-case requirements [17], and modifying applications to bypass middleware layers using aspect-oriented extensions to CORBA Interface Definition Language (IDL) [18].

Since PAM is essentially a model-driven tool, the modified DRE system QoS configuration model resulting from applying our model transformation algorithm can directly be used to investigate fusion opportunities for the application. As shown in Figures 5 and 6, when applied in conjunction with PAM, our approach leads to a combined improvement of ∼83% in the end-to-end latency and ∼65% in the observed standard deviation in latency for BasicSP scenario. 2 relies on QoS configuration analyses in a platform-specific manner.

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