Variants of computational power are very different. Everything related to Cloud Computing examples and benefits, commonly referred to as word aaS (aaS – two letters A, not what you thought!). Simply stands for – “as a Service”, ie “as a service” or “as a service”.
SaaS (Software-aaS), or applications in the form of services – an option in which you propose to use some specific software such as enterprise systems, as a service by subscription. For instance, the company has no ability or desire to host an internal Exchange-server for mail, calendars, etc. – And it could buy it remotely, taking into account all the necessary specificity. Often, whether such services are available only in the browser? And you use Google Docs? This is SaaS, only free.
see url PaaS (Platform-aaS) – unlike SaaS, designed more for the end-user version for developers. In the cloud operates a set of programs, basic services and libraries, on the basis of which it is proposed to develop their applications. The most striking example – a platform for creating applications Google AppEngine. In addition, as understood by PaaS parts and complex systems, such as a database system or communications.
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