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An Architecture for Coordinating Multiple Self-Management Systems

Shang-Wen Cheng, An-Cheng Huang, David Garlan, Bradley Schmerl and Peter Steenkiste.

In Proceedings of the 4th Working IEEE/IFIP Conference on Software Architectures (WICSA4), Oslo, Norway, 11-14 June 2004.

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A common approach to adding self-management capabilities to a system is to provide one or more external control modules, whose responsibility is to monitor system behavior, and adapt the system at run time to achieve various goals (configure the system, improve performance, recover from faults, etc.). An important problem arises when there is more than one such self-management module: how can one make sure that they are composed to provide consistent and complementary benefits? In this paper we describe a solution that introduces a self-management coordination architecture and infrastructure to support such composition. We focus on the problem of coordinating self-configuring and self-healing capabilities, particularly with respect to global configuration and incremental repair. We illustrate the approach in the context of a self-managing video teleconference system that composes two pre-existing adaptation modules to achieve synergistic benefits of both.

Keywords: Autonomic Systems, Coordination, Rainbow, Self-adaptation.  
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