FedUp! Cloud Federation as a Service
Current solutions for establishing federations of clouds require applications to be installed on the individual members of the federation, which have to devote a certain amount of resources to services for federation managing. Moreover, additional interop
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Abstract. Current solutions for establishing federations of clouds require applications to be installed on the individual members of the federation, which have to devote a certain amount of resources to services for federation managing. Moreover, additional interoperability requirements may need to be satisfied by individual clouds in order to join a federation. This situation may negatively affect the decision whether to join a federation. In this paper we propose an alternative approach by viewing creation and management of a cloud federation as cloud services themselves, thus allowing a drastic simplification in the federation set-up process and the decoupling of the federation management services from the technologies adopted by the individual clouds, minimising technological complexity and intrusiveness in the individual cloud infrastructures, while increasing the flexibility and scalability of resources. We also point out that existing technologies, in particular containers, microservices, configurators, clusters and orchestrators, can be the basis for implementing a platform for generation and management of federations of individual clouds, in a way which facilitates optimisation of workload and scaling of applications via resource aggregation, and makes deploying and joining federations fast, easy, and transparent.
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Introduction
In the last few years, cloud-based solutions have become of interest for public and private organizations, due to the possibilities they offer for achieving: (1) greater cost reductions, by moving part of the budget from fixed to variable costs; and (2) greater resilience, and by increasing the flexibility and scalability of resources in response to changing business needs. Nevertheless, some elements –such as customers’ perception that they are losing control over infrastructure resources, or the risk of vendor lock-in, stemming from a pervasive use of provider’s services– are still an obstacle to the use of cloud solutions. In order to mitigate these problems, many organizations are trying other cloud computing strategies including the creation of federations of individual clouds, from which they expect optimization of workload, increased availability of resources, probably even at more competitive costs and on an as-needed basis, and high levels of security and quality of service, probably better calibrated on the needs of an individual cloud joining a federation [3]. c IFIP International Federation for Information Processing 2016 Published by Springer International Publishing Switzerland 2016. All Rights Reserved M. Aiello et al. (Eds.): ESOCC 2016, LNCS 9846, pp. 168–182, 2016. DOI: 10.1007/978-3-319-44482-6 11
FedUp! Cloud Federation as a Service
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Current approaches to the construction of federations of clouds, see e.g. Fogbow1 , Zentera2 , Reservoir [7], handle federation services through some specific applications or frameworks. Hence, specific components must be installed on the infrastructure of the federation members, which are required to provide a certain amount of res
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