A Feasible Community Cloud Architecture for Provisioning Infrastructure as a Service in the Government Sector

ABSTRACT

Building a community cloud by federating private clouds is a lower cost alternative for hosting applications that require distributed deployment to meet high availability, and service level compliance. Despite its potential benefits, there are many issues about lack of standardization and interoperability across multiple cloud service providers (CSPs), resulting in low adherence to the model in organizations that are still struggling to adapt its legacy applications to a cloud architecture in complex environments. Currently, there is no seamless approach to migrate from the traditional infrastructure model to a cloud computing model on the most part of government sector because many other approaches require a rapid disruption, taunting a high-coupling way to manage the infrastructure. We propose an architecture for building a community cloud even in scenarios with strong presence of non-cloud native applications by developing a low-coupled infrastructure middleware that supports different corporate hypervisors, a API, a GUI and a CLI. To show the feasibility of our approach, we evaluate the architecture on a set of infrastructures at Superior Courts of Brazilian Judicial Branch, that may compose a cost-effective solution to start the transition to the cloud model in other organizations also.

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