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Title: Towards adaptable and adaptive policy-free middleware
Authors: Dearle, Alan
Kirby, Graham
Norcross, Stuart
Macdonald, Angus
Bigwood, Greg
Keywords: cs.DC
Distributed, parallel, and cluster computing
QA75 Electronic computers. Computer science
Issue Date: 2006
Citation: Dearle , A , Kirby , G , Norcross , S , Macdonald , A & Bigwood , G 2006 , Towards adaptable and adaptive policy-free middleware . Technical Report , no. CS/06/3 , University of St Andrews .
Series/Report no.: Technical Report
Abstract: We believe that to fully support adaptive distributed applications, middleware must itself be adaptable, adaptive and policy-free. In this paper we present a new language-independent adaptable and adaptive policy framework suitable for integration in a wide variety of middleware systems. This framework facilitates the construction of adaptive distributed applications. The framework addresses adaptability through its ability to represent a wide range of specific middleware policies. Adaptiveness is supported by a rich contextual model, through which an application programmer may control precisely how policies should be selected for any particular interaction with the middleware. A contextual pattern mechanism facilitates the succinct expression of both coarse- and fine-grain policy contexts. Policies may be specified and altered dynamically, and may themselves take account of dynamic conditions. The framework contains no hard-wired policies; instead, all policies can be configured.
Version: Preprint
Description: Submitted to Dependable and Adaptive Distributed Systems Track, ACM SAC 2007
Type: Report
Publisher: University of St Andrews
Appears in Collections:University of St Andrews Research
Computer Science Research

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