Cloud Computing

Cloud computing means providing IT infrastructure. This includes, for example, storage space, processing power or applications via the Internet. The IT infrastructure is also not locally installed. Users access the application software and services through a web browser using interfaces.
There are three different service models of Cloud solutions for companies:

Platform as a Service (PaaS) definition:

Platform as a Service (PaaS) is a platform in the Cloud for developers, who are able to create their web applications there. One example is the SAP Cloud Platform or also the EASY Cloud Platform. Companies do not operate the PaaS themselves, but rather it is offered as a service. This way, customers are able to develop and provide Cloud solutions for their company relatively quickly and easily.

Software as a Service (SaaS) definition:

Software as a Service (SaaS) refers to software and IT infrastructure which is operated by an external IT provider in a Cloud and is used as a service by the customer through online services. Access to the software is provided via web browser. SaaS applications are on-demand models. In this Cloud solution service model, companies get by without local installations, and operation and maintenance are handled by external IT service providers.

The third business model in Cloud computing is Infrastructure as a Service(IaaS), which, in contrast to the classic purchase of computing infrastructure, refers to the leasing of the entire infrastructure from an IT service provider as needed.

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