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QoS Mechanism Composition at Design-Time and Runtime
Citation key Ulbrichetal:2003:InterceptorComposition
Author Andreas Ulbrich and Torben Weis and Kurt Geihs
Title of Book Workshop on Distributed Auto-adaptive Reconfigurable Systems (DARES) - International Conference on Distributed Computing Systems (ICDCS)
Pages 118–125
Year 2003
Address Providence, Rhode Island
Publisher IEEE Press
Abstract In this paper we present a model-driven approach to the composition of QoS mechanisms. The support of multiple QoS categories as well as runtime adaptation requires the ability to change the message path of a middleware on the fly. This leads to a new set of problems regarding the composition of individual mechanisms to a functioning message path. Especially the order in which messages are passed through the QoS mechanisms is of great importance. We show how QoS mechanisms and their composition constraints can be modeled using the UML. Furthermore, a mapping from these UML models to our .NET Remoting based QoS management framework DotQoS is presented.
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