A Model-based Architecture for Autonomic and Heterogeneous Cloud Systems

Hugo Bruneliere 1, 2 Zakarea Al-Shara 3 Frederico Alvares 4 Jonathan Lejeune 5 Thomas Ledoux 6, 1
2 NaoMod - NaoMod - Nantes Software Modeling Group
LS2N - Laboratoire des Sciences du Numérique de Nantes
5 DELYS - DistributEd aLgorithms and sYStems
Inria de Paris, LIP6 - Laboratoire d'Informatique de Paris 6
6 STACK - Software Stack for Massively Geo-Distributed Infrastructures
Inria Rennes – Bretagne Atlantique , LS2N - Laboratoire des Sciences du Numérique de Nantes
Abstract : Over the last few years, Autonomic Computing has been a key enabler for Cloud system's dynamic adaptation. However, autonomously managing complex systems (such as in the Cloud context) is not trivial and may quickly become fastidious and error-prone. We advocate that Cloud artifacts, regardless of the layer carrying them, share many common characteristics. Thus, this makes it possible to specify, (re)configure and monitor them in an homogeneous way. To this end, we propose a generic model-based architecture for allowing the autonomic management of any Cloud system. From a " XaaS " model describing a given Cloud system, possibly over multiple layers of the Cloud stack, Cloud administrators can derive an autonomic manager for this system. This paper introduces the designed model-based architecture, and notably its core generic XaaS modeling language. It also describes the integration with a constraint solver to be used by the autonomic manager , as well as the interoperability with a Cloud standard (TOSCA). It presents an implementation (with its application on a multi-layer Cloud system) and compares the proposed approach with other existing solutions.
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Hugo Bruneliere, Zakarea Al-Shara, Frederico Alvares, Jonathan Lejeune, Thomas Ledoux. A Model-based Architecture for Autonomic and Heterogeneous Cloud Systems. CLOSER 2018 - 8h International Conference on Cloud Computing and Services Science, Mar 2018, Funchal, Portugal. pp.201-212, ⟨10.5220/0006773002010212⟩. ⟨hal-01705248⟩

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