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Infrastructure as a Service (IaaS)

At a glance

Infrastructure as a Service is, alongside Platform as a Service and Software as a Service, one of the three service models for cloud computing. Providers of IaaS provide their customers with hardware-based services such as storage space and / or computing power via the Internet. Users themselves determine which operating system, which runtime environment and which programs are to run on the infrastructure and which data is stored there. In principle, the service provider only provides the basic structures (e.g. server, memory, virtualization) and leaves the remaining administration to the user.

Advantages

Infrastructure as a Service is a good alternative, e.g. for companies that cannot or do not want to operate their own data center. Some of the most important advantages include:

Minimum hardware costs
Servers and infrastructure are expensive hardware that does not pay off for every company. Infrastructure as a Service allows you to rent hardware at a much lower price. IaaS is therefore also interesting for small companies that may only want a certain infrastructure temporarily or for rare applications: The company can use the required capacities for the required time without having to invest in expensive hardware itself.

Scalable Systems
There are many scenarios in which the infrastructure should ideally adapt to the requirements: Load peaks, continuously growing data volumes from back-ups, unexpectedly fast growth of a website - or of course unexpectedly declining activity. Traditional servers have a pre-defined capacity that needs to be manually adjusted. IaaS, on the other hand, scales flexibly, occupying exactly the capacity you need. This means that costs can be eliminated, for example, if the capacity utilization is unexpectedly low.

No maintenance effort
Every form of hardware requires maintenance and servicing - and that costs time and money. IaaS requires the service provider to take over these tasks completely. This saves a company this amount of work and allows it to concentrate on its core business.

No storage space for servers
Servers require space and often require specially secured and air-conditioned rooms in order to guarantee smooth and secure operation. If a company largely outsources its infrastructure, a lot of money and space can be saved.

Flexibly configurable systems
Thanks to virtualization, it is possible to mount a wide variety of platforms on the same hardware exactly as specified. For example, companies have a simple and cost-effective option to test software under various conditions.

Outlook

Infrastructure as a Service offers small and large companies high savings potential and has therefore long been widespread. IoT applications can also benefit from the flexibly available resources.

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