Separating Interaction Concerns from Distributed Feature Components

Pang, Jianxiong and Blair, Lynne (2003) Separating Interaction Concerns from Distributed Feature Components. In: Workshop on Software Composition affiliated with ETAPS 2003, 1900-01-01.

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Interaction problems between heterogeneous appli- cations require consideration of the semantic issue of reliable composition. This problem has become significant and ubiquitous in distributed systems as the Internet rapidly grows as a mainstream service platform and requires increasing automatic coordination and cooperation between services at two ends. A feature must be able to adjust itself to work with other features or services - a highly relevant problem called feature interaction. In line with this, in this paper we propose a complexity controlling method that is suitable for distributed systems in which each feature has two concerns, namely a hard logic and a soft logic. The hard logic implements exactly the specification of a feature, while the soft logic deals with the adaptation aspects of a feature, i.e. resolving interaction problems and making features work together. A two level architecture, particularly designed for aspect oriented programming, is described with a meta level being used to describe interaction resolution, with features being at the base level. Through a case study of email systems, we explain the architecture and highlight the cause of resolution interaction problems and how this particular problem is solved.

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Contribution to Conference (Paper)
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Workshop on Software Composition affiliated with ETAPS 2003
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07 Jul 2011 16:15
Last Modified:
01 Jan 2022 07:08