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Cloud Infrastructures

Cloud infrastructure is not just cloud infrastructure. There are different ways to provide cloud services. How the different models ultimately differ is explained in the following blog.



Public Cloud

A public cloud is a publicly accessible cloud and freely available to all over the Internet. The cloud service is provided and made available by an external company. The three largest cloud providers are Amazon Web Services (AWS), Microsoft Azure and Google Cloud Platform. Public cloud users can use services such as computing power, infrastructure, storage space, applications and some other services from the different cloud providers. The public cloud helps to reduce the investment costs for server hardware. In addition, it is convincing because of its high scalability and a wide range of available services. The handling has the well-founded advantage of being able to meet the required demands quickly. If, for example, more storage space is needed, it can be expanded without any problems.


Advantages of a public cloud:

Cost reduction - A cost reduction is made possible because neither hardware nor software has to be purchased. The costs incurred relate only to the services that are actually used.

No maintenance work - A public cloud offers the advantage that all maintenance work is eliminated. This is the responsibility of the public cloud provider.

Unlimited scalability - All resources are available on demand and can be used flexibly to meet your requirements.

High reliability - A network of servers offers you a high level of reliability.



Private cloud

A Private Cloud is used exclusively by one company or organization. The physical data center of the Private Cloud can be located directly on site in the company or it can be hosted by a third-party provider. The management of all services and the infrastructure of a Private Cloud is always carried out in a private network. Furthermore, hardware and software are the sole responsibility of your company. In this way, the private cloud makes it easier for your company's IT to adapt its resources. The use of a Private Cloud has proven to be particularly useful for medium-sized to large organizations with business-critical processes.


Advantages of a private cloud:

Increased flexibility - With a private cloud, your company can adapt its environment specifically and flexibly to business requirements.

Increased control and data protection - Your control resources are not shared.

Scalability - Unlike an on-premise infrastructure, a private cloud offers more scalability


Hybrid cloud

A hybrid cloud is a combination of local infrastructure, private cloud and public cloud. A hybrid cloud offers the possibility to exchange data and applications between the different environments. The hybrid cloud approach is under constant development, which means that marginal workloads are better taken into account.


Advantages of a hybrid cloud:

Easy control - Leverage a private infrastructure for sensitive workloads

Flexibility - A hybrid cloud makes it possible to use resources of the public cloud in addition to the private cloud.

Cost efficiency - The variable possibility of using additional resources in the public cloud means that you only incur costs for additional computing power if you actually use it.


Community cloud

A community should offer the possibility to provide the same benefits of a public cloud. So how can you imagine a Community cloud?

In a community cloud, several companies from the same industry or with the same requirements join together. The combination of several private clouds thus forms the community cloud and is accessible to all its members.


Advantages of a community cloud:

Reduction of capacity requirements - The shared use of resources in the community cloud enables a reduced need for capacity

Cost-efficiency - Here the variable use of shared application programs, far away from the common infrastructure, is also possible.



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