Abdelmadjid Ketfi
ABSTRACT
Permanent and uninterrupted functioning can be sometimes a requirement for some kinds of software systems. This is especially true in the case of complex and distributed systems where stopping and restarting the system constitute a tedious and costly task, also when the system must be highly available or when its execution environment changes frequently. Many component technologies exist today and solve hot (dynamic) deployment and reconfiguration issues offering ad-hoc solutions. This paper presents DYVA, a unified framework, that has been designed to be suitable to dynamic deployment and reconfiguration for most of the currently component technologies. Components from these technologies have to satisfy common features like en-capsulation, interfaces, etc...). The proposed framework is based on a model-driven approach. This approach helps in developing specific hot deployment and reconfiguration systems by the personalization of the unified framework. The personalization is done via plug-ins which make transformation between specific component descriptions and more general ones.
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