ABSTRACT
Multi-Cloud was identified by EC recently as a natural choice for hosting IoT based Big Data service platform [1] and at the same time as an area of research worth to invest into it at least 6 million Euro this and following two Years in Horizon 2020 Program. In this paper an overview of the state of the art, current issues in this area is first presented. Later a sketch of ideas is drawn, which could lead to a research approach and later proposal and design of a sustainable architecture for federated multi-cloud IoT and Big Data global infrastructure.
