Private vs. Public Cloud

As many businesses already know, cloud computing offers many advantages, and it can really simplify infrastructure planning. However, there’s always been a debate over which cloud environment is best: private cloud or public cloud. Being aware of these cloud computing options and what they mean for a business make it much easier to decide which one is right for you.

Let’s explore both private and public cloud:

Private Cloud

Private cloud, also known as an internal or enterprise cloud, places resources in one infrastructure. By definition, it is a single-tenant environment where the hardware, storage, and network are dedicated to a single client or company. It leaves control in the hands of an organization to customize as needed, allowing an individual business to grow and scale. The ability to customize the computer, storage and networking options for a business’ IT requirements is something that can’t be as easily achieved with a public cloud model.

A private cloud model has two ways to host: on-site or in a service provider’s data center. With this solution, businesses can achieve a greater level of control and sense of security, making it ideal for those that have strict data regulations or are larger organizations. Private cloud is typically preferred by mid- and large-size enterprises since it meets their security and compliance needs and leaves them entirely in control of their environment. However, this option tends to be more expensive, as new equipment, capacity, and IT training may be necessary.

Public Cloud

Public cloud is defined as a multi-tenant environment, where instead of placing all your resources in one singular infrastructure, you buy a ‘server slice’ in a shared cloud computing environment. In other words, you have other tenants or clients as neighbors. A public cloud model is ideal for a small- to medium-sized business because it is managed by a third-party provider – meaning that there are no hardware or maintenance costs.

The majority of public cloud deployments are generally used for Web servers or development systems where security and compliance requirements of organizations and their customers is not an issue. The benefits include the speed in which you can deploy IT resources, and the utility billing that it offers. Unlike private cloud, the public cloud offers lower costs with a pay-as-you-go approach. Public cloud offers availability and scalability, allowing businesses to make in-the-moment decisions based on their needs.

When determining which model is best suited for your organization, consider your environment. Which applications are you using? Do you have any compliance requirements? How much control do you need over your environment? Answering these types of organizational questions make it easier to choose the cloud model that fits your business needs.


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