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Friday, 10 March 2017
Public, Private or Hybrid Cloud?
article written by bizdirect
Public, Private or Hybrid Cloud? The numbers released a few months ago by Gartner leave no doubt: the growth of the cloud is an undeniable trend. Cost reduction, rapid technological change, reduced initial investment or the use of resources as necessary are some of the factors that have proved to be decisive for its implementation. It should be borne in mind, however, that their adoption has some inherent challenges and the choice of the most appropriate implementation model is one of them.

There are some factors to consider when choosing the most convenient model for your organization. Issues such as the desired level of security, service level, information control or scalability are all related to the differences between public, private or hybrid cloud. But what are the characteristics associated with each typology and what is the impact?

Begin by exploring the concept of public cloud. In this case, the services are provided through an open network for public use. Outstanding suppliers such as Google, Amazon or Microsoft are players of relevance. In the public cloud, resources are shared as well as the infrastructure costs, ensuring the necessary security settings, where variations in availability and scalability are managed by the service provider.

In the private cloud, in turn, total data control is on the side of the organization. There is a higher level of security since no one has access to corporate data without going through the company firewall. The internal private cloud is hosted within the organization at its own data center. In the form of external private cloud, the exclusive cloud environment is guaranteed by the service provider that has a team managing the private cloud environment. In this case, there is a strict development and risk control plan to ensure high security.

Knowing that the public cloud implies a lower initial investment, reduced total cost of ownership, and high service levels, one could conclude that the overall transition to this model is the right one, but in fact, that is not the case.

The great advantage of public cloud lies in allowing only the necessary migration to be migrated. This flexibility raises the importance of mentioning hybrid cloud as a solution that brings together characteristics of the public cloud and the private cloud. It allows a private cloud to grow its resources from a pool of resources in a public cloud. In this way it is possible, for example, to store sensitive local data in the private cloud or to be able to do a gradual transfer of information between both clouds, while ensuring scalability. Hybrid cloud is therefore considered a good choice for many organizations.

There is, however, one aspect to take into account when using the hybrid cloud that is related to security. The private cloud runs programs with a lot of confidential information that should not be passed by third parties and there may be a lack of security during the transmission of data to the public cloud, in other words, this mode requires a lot of caution and constant protection.

It is, therefore, essential to ensure the choice of the right supplier so that the implementation of the chosen model is performed in the best possible way bringing the highest possible return to the business.

Not sure which model to implement in your organization?

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