Introduction

The cloud and the services it has to offer have garnered significant interest worldwide. The cloud offers an elastic model that allows infrastructure capacity to be increased and decreased on demand. The cloud’s usage-based model helps governments, educational institutions, and enterprises to increase business agility and reduce costs by seamlessly moving applications and consuming infrastructure resources from the cloud. The cloud’s role as an enabler of newer economics for IT is now widely understood.

Despite all the benefits, enterprises have been cautious to adopt the cloud because of concerns around availability, security, and application performance. Lack of visibility and control combined with the need to maintain compliance ...

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