Without cloud computing, work in many companies would be hardly ima­gin­able nowadays. Private users are also in­creas­ingly out­sourcing services to the cloud. The benefits are obvious: you not only save the costs of main­ten­ance, memory and computing power, but also ensure that important data isn’t lost if things go wrong. To fulfil the different re­quire­ments on per­form­ance and data security of certain services, various cloud services can be combined in a mul­ticloud en­vir­on­ment.

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What is a mul­ticloud?

So what exactly does the term “mul­ticloud” mean? Strictly speaking, there’s no such thing as the mul­ticloud. Instead, the term describes the practice of using multiple cloud variants, po­ten­tially from different providers, at the same time. A mul­ticloud ar­chi­tec­ture, therefore, always comprises at least two different clouds. These could be a private cloud and a public cloud, for example, or multiple clouds of the same type.

The reason for this approach is that cloud services from various providers can address different ap­plic­a­tion needs. While solution A may offer plenty of storage space and fast computing power, solution B may be prefer­able in terms of data security. With a mul­ticloud strategy, you don’t need to choose just one of the two options – instead, you can use the most suitable cloud for each in­di­vidu­al task and manage all the services in one or­gan­isa­tion structure.

Not only can this flex­ib­il­ity have a positive effect on computing power, but it can also minimise the risk of (com­mer­cial) damages as a result of server outages or data loss. However, the services need to be co­ordin­ated with com­pre­hens­ive mul­ticloud man­age­ment to prevent ap­plic­a­tions or some of their functions from blocking each other. It’s important to ensure at all times that the exchange of in­form­a­tion and data between the various cloud platforms occurs smoothly.

Note

A mul­ticloud is not to be confused with a hybrid cloud. While a mul­ticloud solution allows different cloud models to be used sim­ul­tan­eously, the hybrid cloud is a com­bin­a­tion of a public cloud and an internal data centre or (ex­tern­ally run) private cloud, managed in a common system. This solution is primarily used by companies that work with sensitive data and, therefore, have stringent data security needs. But a hybrid cloud can certainly serve as part of a mul­ticloud in­fra­struc­ture.

When does a mul­ticloud make sense?

To what extent the various cloud services are to be used is not firmly defined. In fact, any private user who has both a Google account and a Microsoft account is already working with a mul­ticloud. But this practice doesn’t merely refer to the everyday use of the Internet of Things.

The mul­ticloud concept is pre­dom­in­antly aimed at users who operate internal or external cloud services and wish to expand the func­tion­al range with certain com­pon­ents, which the re­spect­ive provider doesn’t offer or which can’t be easily im­ple­men­ted through in-house solution. Due to the re­l­at­ively complex con­fig­ur­a­tion and man­age­ment of a mul­ticloud ar­chi­tec­ture, it is typically suitable for companies that have already set up and manage their internal IT in­fra­struc­ture suc­cess­fully.

Tip

If you don’t need a mul­ticloud but wish to benefit from cloud computing from a single provider, IONOS can help. You can configure your IONOS cloud server in a way that best suits your needs.

If these con­di­tions are met, there are numerous reasons to switch to a mul­ticloud:

  • Op­tim­iz­a­tion of IT in­fra­struc­ture: You can use the ad­vant­ages of various cloud providers and thereby optimise computing power, storage space and the main­ten­ance costs of your IT in­fra­struc­ture.
  • Optimal software support: If you use multiple services that are tailored to the systems of different providers (such as apps optimised for Amazon, Google or Microsoft systems), a mul­ticloud offers you the ability to run each of them under ideal con­di­tions.
  • Data security: If you work with sensitive data, you can manage it sep­ar­ately from other processes on servers that meet your needs in terms of security.
  • Pre­ven­tion of emergency situ­ations: By dis­trib­ut­ing data and processes across multiple clouds, there is a lower risk that your company will lose data or be unable to operate in the event of a server outage.

Ad­vant­ages and dis­ad­vant­ages of a mul­ticloud at a glance

The ex­plan­a­tions above have already high­lighted some of the pros and cons of mul­ticlouds. For a better overview, here’s a summary of the most important points:

Ad­vant­ages Dis­ad­vant­ages
Flex­ib­il­ity in managing company resources In­creas­ing com­plex­ity of cloud in­fra­struc­ture with different models that need to be managed
Easy expansion of existing cloud in­fra­struc­ture Possible problems with data trans­mis­sion and com­mu­nic­a­tion between in­di­vidu­al cloud providers
Lower risk of server downtime and data loss
Optimal use of online services required by the company
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