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Journal Articles International Journal of Parallel, Emergent and Distributed Systems Year : 2017

A Bigraphical Model for Specifying Cloud-Based Elastic Systems and Their Behaviour

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Abstract

The few recent years have witnessed the appearance of a new kind of self-adaptive systems called cloud based-elastic systems. These systems are particularly appealing for their ability to maintain a decent quality of service and reduce a system's operating cost at the same time. They achieve this by dynamically adjusting resources allocation in terms of elasticity. Meanwhile, complexity of structural and behavioural aspects related to cloud-based elastic systems increase the difficulty of designing and developing such systems. In this paper, we address this challenge by proposing a formal approach based on bigraphical reactive systems for modelling both structural and behavioural aspects of cloud-based elastic systems. In particular, we represent their behaviour in terms of client/application interactions and elasticity methods at different levels using bigraphical reaction rules. The feasibility of the proposed approach is illustrated through a motivating example running on the top of an Amazon Elastic Compute Cloud (EC2) infrastructure. \textcopyright 2016 Informa UK Limited, trading as Taylor & Francis Group.
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hal-01906821 , version 1 (27-10-2018)

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Hamza Sahli, Nabil Hameurlain, Faiza Belala. A Bigraphical Model for Specifying Cloud-Based Elastic Systems and Their Behaviour. International Journal of Parallel, Emergent and Distributed Systems, 2017, 32 (6), pp.593-616. ⟨10.1080/17445760.2016.1188927⟩. ⟨hal-01906821⟩

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