Building dynamic models of service compositions with simulation of provision resources

Authors:
Dragan Ivanović;Martin Treiber;Manuel Carro;Schahram Dustdar
Affiliations:
Facultad de Informática, Universidad Politécnica de Madrid;Distributed Systems Group, Technical University of Vienna;Facultad de Informática, Universidad Politécnica de Madrid;Distributed Systems Group, Technical University of Vienna
Venue:
ER'10 Proceedings of the 29th international conference on Conceptual modeling
Year:
2010

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Abstract

Efficient and competitive provision of service compositions depends both on the composition structure, and on planning and management of computational resources necessary for provision. Resource constraints on the service provider side have impact on the provision of composite services and can cause violations of predefined SLA criteria. We propose a methodology for modeling dynamic behavior of provider-side orchestration provision systems, based on the structure of orchestrations that are provided, their interaction, statistically estimated run-time parameters (such as running time) based on log traces, and the model of resources necessary for orchestration provision. We illustrate the application of our proposed methodology on a non-trivial real world example, and validate the approach using a simulation experiment.