Component Software: Beyond Object-Oriented Programming
Component Software: Beyond Object-Oriented Programming
Systematic Formulation of Non-Functional Characteristics of Software
ICRE '98 Proceedings of the 3rd International Conference on Requirements Engineering: Putting Requirements Engineering to Practice
SLAng: A Language for Defining Service Level Agreements
FTDCS '03 Proceedings of the The Ninth IEEE Workshop on Future Trends of Distributed Computing Systems
A Software Component Quality Model: A Preliminary Evaluation
EUROMICRO '06 Proceedings of the 32nd EUROMICRO Conference on Software Engineering and Advanced Applications
Performance Trees: A New Approach to Quantitative Performance Specification
MASCOTS '06 Proceedings of the 14th IEEE International Symposium on Modeling, Analysis, and Simulation
TADL - An Architecture Description Language for Trustworthy Component-Based Systems
ECSA '08 Proceedings of the 2nd European conference on Software Architecture
The Palladio component model for model-driven performance prediction
Journal of Systems and Software
The CoSi Component Model: Reviving the Black-Box Nature of Components
CBSE '08 Proceedings of the 11th International Symposium on Component-Based Software Engineering
Integration of Extra-Functional Properties in Component Models
CBSE '09 Proceedings of the 12th International Symposium on Component-Based Software Engineering
A qos-aware selection model for semantic web services
ICSOC'06 Proceedings of the 4th international conference on Service-Oriented Computing
Defining and checking deployment contracts for software components
CBSE'06 Proceedings of the 9th international conference on Component-Based Software Engineering
Refining extra-functional property values in hierarchical component models
Proceedings of the 14th international ACM Sigsoft symposium on Component based software engineering
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Architectures based on composing target application functionality from pre-existing components have been successfully used in many projects, yet there are several aspects in which they fail to reach the desirable level of maturity. Since different vendors may provide components with the same functionality, extra-functional properties must be taken into account to help the developer to select the component which suits the final system. In addition, a selected component must conform to the target deployment environment. This paper addresses the problem of inadequate means to define extra-functional properties on components in a way that allows to express component's properties with respect to different computational environments. We provide a representative survey of the current state of the art for extra-functional properties and propose a formalism based on existing approaches which addresses this inadequacy. Our formalism further allows us to use the extra-functional properties for describing the dependency between a component and a deployment environment referred to as deployment contracts. Our approach uses a system of registries that has the advantage of a consistent interpretation of the extra-functional properties found on any given component regardless of its usage context and that separates the semantics and the syntax of each property.