Cloud computing is an innovation in speed and security,providing multiple computing services including unlimited servers, storage, databases, networking, software, analytics and intelligence over the Internet. It furtherachieve flexible resources and economies of scale and advance speed.
Infrastructure as a Service (IaaS) is a part of cloud computing that provides network and storage. Cloud services can save money and it’s services include paying only for what we use. Shifting your organization's infrastructure to IaaS cloud computing can help your organization save money by freeing up your data centers and security issues.
Platform as a Service (PaaS) is the next layer – the underlying storage, networking, software and virtual servers.This layer also includes the tools and software services that developers need to build forhandling applications such as middleware, database management. There are servers for developing operating systems
Software as a Service (SaaS) is a part of cloud computing where applications are delivered and quick response.This has probably the most used cloud computing speed. The underlying hardware, software and operating system are accessible to the end user through a web browser or app and is accepted by the customer.