Portability and interoperability between clouds: challenges and case study
ServiceWave'11 Proceedings of the 4th European conference on Towards a service-based internet
Towards autonomic detection of SLA violations in Cloud infrastructures
Future Generation Computer Systems
Portable Cloud applications-From theory to practice
Future Generation Computer Systems
Evaluation and establishment of trust in cloud federation
Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication
Adaptive scheduling for parallel tasks with QoS satisfaction for hybrid cloud environments
The Journal of Supercomputing
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Cloud federation aims to cost-effective assets and resources optimization among heterogeneous environments where clouds can cooperate together with the goal of obtaining unbounded computation resources, hence new business opportunities. This paper describes an architecture for the federation establishment, where clouds that need external resources ask to federated clouds the renting of extra physical resources. Our architecture introduces a new module named Cross-Cloud Federation Manager including three agents (Discovery, Match-making and Authentication). In this work, we specifically focus on the authentication agent, which is responsible for a secure federation. To address such problem we propose a technical solution based on the IdP/SP model along with the SAML technology.