Toward cloud federation: Concepts and challenges

Federation in cloud computing is an emerging topic. Currently, all over the world in both academia and industry contexts many operators are picking up the advantages of cloud computing and federation in planning the Internet of the future. Nevertheless, cloud federation is at the early stage, and the scientific community is not fully aware how the federation will impact the cloud computing scenario. In this chapter, the authors try to clarify the ideas and discuss the main future challenges regarding cloud federation.