Title: Combining reputation and QoS measures to improve cloud service composition

Authors: Fabrizio Messina; Giuseppe Pappalardo; Antonello Comi; Lidia Fotia; Domenico Rosaci; Giuseppe M.L. Sarné

Addresses: Department of Mathematics and Informatics, University of Catania, V.le Andrea Doria 6, 95125 Catania, Italy ' Department of Mathematics and Informatics, University of Catania, V.le Andrea Doria 6, 95125 Catania, Italy ' Department of Engineering (DIIES and DICEAM), University Mediterranea of Reggio Calabria, Loc. Feo di Vito, 89122 Reggio Calabria, Italy ' Department of Engineering (DIIES and DICEAM), University Mediterranea of Reggio Calabria, Loc. Feo di Vito, 89122 Reggio Calabria, Italy ' Department of Engineering (DIIES and DICEAM), University Mediterranea of Reggio Calabria, Loc. Feo di Vito, 89122 Reggio Calabria, Italy ' Department of Engineering (DIIES and DICEAM), University Mediterranea of Reggio Calabria, Loc. Feo di Vito, 89122 Reggio Calabria, Italy

Abstract: In order to provide a wide range of composite Cloud services, providers need to establish mutual agreements on large-scale distributed multi-cloud scenario. In such a way, providers can compose effective and efficient service workflows by taking resources of their own competitors and gain the capability to satisfy unexpected workload peaks. In this paper, we propose a reputation-based model capable to support the composition of complex Cloud services by taking into account both costs and measures of QoS which are collected by measuring both system measures and reputation feedbacks provided by the customers. The proposed model has been validated by a set of experimental results obtained by means of a number of simulations.

Keywords: cloud computing; reputation; QoS; service composition.

DOI: 10.1504/IJGUC.2017.085915

International Journal of Grid and Utility Computing, 2017 Vol.8 No.2, pp.142 - 151

Received: 13 Nov 2015
Accepted: 16 Mar 2016

Published online: 18 Aug 2017 *

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