R. Buyya, C. Shin-yeo, and S. Venugopal, Market-Oriented Cloud Computing: Vision, Hype, and Reality for Delivering IT Services as Computing Utilities, 2008 10th IEEE International Conference on High Performance Computing and Communications, pp.5-13, 2008.
DOI : 10.1109/HPCC.2008.172

1. Desprez, J. L. Lucas-simarro, R. Moreno-vozmediano, and J. , Rouzaud-Cornabas sion, hype, and reality for delivering computing as the 5th utility, Future Generation Computer Systems, vol.25, issue.6, pp.599-616, 2009.

R. N. Calheiros, R. Ranjan, A. Beloglazov, C. A. De-rose, and R. Buyya, CloudSim: a toolkit for modeling and simulation of cloud computing environments and evaluation of resource provisioning algorithms, Software: Practice and Experience, vol.43, issue.4, pp.23-50, 2011.
DOI : 10.1002/spe.995

H. Casanova, A. Legrand, and M. Quinson, SimGrid: A Generic Framework for Large-Scale Distributed Experiments, Tenth International Conference on Computer Modeling and Simulation (uksim 2008), pp.126-131, 2008.
DOI : 10.1109/UKSIM.2008.28
URL : https://hal.archives-ouvertes.fr/inria-00260697

C. Clark, K. Fraser, S. Hand, J. G. Hansen, E. Jul et al., Live migration of virtual machines, Proceedings of the 2nd conference on Symposium on Networked Systems Design & Implementation, pp.273-286, 2005.

F. Desprez and J. Rouzaud-cornabas, SimGrid Cloud Broker: Simulating the Amazon AWS Cloud, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00909120

A. J. Ferrer, F. Hernandez, J. Tordsson, E. Elmroth, A. Ali-eldin et al., OPTIMIS: A holistic approach to cloud service provisioning, Future Generation Computer Systems, vol.28, issue.1, pp.66-77, 2012.
DOI : 10.1016/j.future.2011.05.022

S. K. Garg and R. Buyya, NetworkCloudSim: Modelling Parallel Applications in Cloud Simulations, 2011 Fourth IEEE International Conference on Utility and Cloud Computing, pp.105-113, 2011.
DOI : 10.1109/UCC.2011.24

N. Jussien, G. Rochart, and X. Lorca, Choco: an Open Source Java Constraint Programming Library, CPAIOR'08 Workshop on Open-Source Software for Integer and Contraint Programming (OS- SICP'08), pp.1-10, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00483090

. Llorente, Scheduling strategies for optimal service deployment across multiple clouds, Future Generation Computer Systems, in press, 2012.

. Llorente, Cost optimization of virtual infrastructures in dynamic multicloud scenarios, Concurrency and Computation: Practice & Experience, 2013.

M. Quinson, C. Rosa, and C. Thiery, Parallel Simulation of Peer-to-Peer Systems, 2012 12th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (ccgrid 2012), pp.668-675, 2012.
DOI : 10.1109/CCGrid.2012.115
URL : https://hal.archives-ouvertes.fr/inria-00602216

J. Tordsson, R. S. Montero, R. Moreno-vozmediano, and I. M. Llorente, Cloud brokering mechanisms for optimized placement of virtual machines across multiple providers, Future Generation Computer Systems, vol.28, issue.2, pp.358-367, 2012.
DOI : 10.1016/j.future.2011.07.003

F. Travostino, P. Daspit, L. Gommans, C. Jog, J. Ceest-de-laa et al., Seamless live migration of virtual machines over the MAN/WAN, Future Generation Computer Systems, vol.22, issue.8, pp.22901-907, 2006.
DOI : 10.1016/j.future.2006.03.007

P. Velho and A. Legrand, Accuracy study and improvement of network simulation in the SimGrid framework, Proceedings of the Second International ICST Conference on Simulation Tools and Techniques, pp.1-13, 2009.
DOI : 10.4108/ICST.SIMUTOOLS2009.5592
URL : https://hal.archives-ouvertes.fr/inria-00361031

B. Wickremasinghe, R. N. Calheiros, and R. Buyya, CloudAnalyst: A CloudSim-Based Visual Modeller for Analysing Cloud Computing Environments and Applications, 2010 24th IEEE International Conference on Advanced Information Networking and Applications, pp.446-452, 2010.
DOI : 10.1109/AINA.2010.32

S. Yi, A. Andrzejak, and D. Kondo, Monetary Cost-Aware Checkpointing and Migration on Amazon Cloud Spot Instances, IEEE Transactions on Services Computing, vol.5, issue.4, pp.512-524, 2012.
DOI : 10.1109/TSC.2011.44
URL : https://hal.archives-ouvertes.fr/hal-00788761

R. N°-8445 and R. Centre-grenoble-?-rhône-alpes, Inovallée 655 avenue de l'Europe Montbonnot 38334 Saint Ismier Cedex Publisher Inria Domaine de Voluceau -Rocquencourt BP 105 -78153 Le Chesnay Cedex inria, pp.249-6399