Analysis of Frameworks for Building IaaS Cloud Using by Cloud Computing Providers

A lot of companies are considering to use some cloud services and move their infrastructure into the cloud. This opens up many possibilities for providers of cloud services and IaaS (Infrastructure as a Service) services. From this reason, smaller service providers have to build their own cloud which will be offer the same capabilities like cloud services from large service providers (Microsoft Azure, VMware's vCloud Air, Amazon Web Services and others). This article describes benefits of using IaaS clouds and available frameworks on market, includes and describes some frameworks for building IaaS cloud, which can be offered to customers via self-managed portals and tools. There is mainly described the Azure Pack solution from Microsoft, the vCloud Suite solution from VMware and possibilities of free open-source software platform OpenStack.