In this paper we discuss an approach to the dynamic configuration of service monitoring infrastructure from SLAs. Published in Service Level Agreements for Cloud Computing, Springer, 2011.
H.Foster and G.Spanoudakis,
Dynamic Creation of Monitoring Infrastructures, in Service Level Agreements for Cloud Computing, Wieder, P.; Butler, J.M.; Theilmann, W.; Yahyapour, R. (Eds.), Springer, (2011)
Abstract
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Service Level Agreements (SLAs) for Software Services aim to clearly identify the service level commitments established between service requesters and providers. The commitments that are agreed however can be expressed in complex notations through a combination of expressions that need to evaluated and monitored efficiently. The dynamic allocation of the responsibility for monitoring SLAs (and often different parts within them) to different monitoring components is necessary as both SLAs and the components available for monitoring them may change dynamically during the operation of a service based system. In this chapter we discuss an approach to support this dynamic configuration, and in particular, how SLAs expressed in higher-level notations can be efficiently decomposed and appropriate monitoring components dynamically allocated for each part of the agreements. The approach is illustrated with mechanical support in the form of a configuration service which can be incorporated into SLA-based service monitoring infrastructures.
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