definitions of public cloud private cloud and hybrid cloud

Cloud computing is becoming more common each year with more business adopting a cloud solution of some kind. Gartner predicts the worldwide public cloud services market is forecast to grow by 17% in 2020 to a total $266.4 billion. With the increase in cloud usage, more cloud models have begun to appear and with that new terminology, it can be difficult to keep up and understand their meanings and the key differences between them, one of the most common being hybrid cloud. But what does that actually mean? Well, to understand a hybrid cloud model we need to understand the definitions of what makes up a hybrid cloud.

Public cloud

Public cloud is the most common type of cloud used within the industry. This model is provided by third-party companies to host and manage your applications in their own data centres. The three main providers of this type of cloud are Amazon Web Services, Microsoft Azure and Google Cloud. These organisations have hundreds of data zones across the globe and can create environments rapidly at a low monthly cost. Changing IT services from what used to be a capital expenditure, to an operational expenditure which is greatly preferred by many businesses. This has led to an increase in cloud-hosted services such as IaaS (infrastructure as a service), SaaS (software as a Service) and PaaS (Platform as a Service).

However, public cloud has its negatives as many compliance regulations prohibit using public clouds. This can be for many reasons but some of the key reasons relate to where your data is located as with some public cloud providers this is not always clear. Furthermore, many bespoke applications can’t be put into the cloud due to the complexity of the systems they run on, as well as the application itself.

Private cloud

Private cloud is typically seen as the solution for those who cannot use public clouds. As a form of cloud computing that is only used by one organisation or is ensured that it is completely isolated from others, this can give companies the desired levels of security and compliance they need.

A lot of companies take this to be an on-premise model where they own their servers and systems but run them in a cloud-like manner. Due to the dedicated private aspect of private cloud it can lead to higher operational costs compared to some cloud models, however, you are paying for the added security involved.

Hybrid cloud

Both models have clear positives and negatives which means businesses are trying to take advantage of both, this is where a hybrid cloud model comes in. By moving their less critical infrastructure out to public cloud providers and keeping their most important data on site or in a private environment, this gives businesses the best of both worlds, the compliance and security they need for their critical servers as well as the flexibility and speed of deployment that comes with public cloud. A hybrid cloud solution seems to be the future for many businesses and should provide the right balance between security, resiliency and cost.

Blue Chip has taken this concept one step further and provided a secure private cloud with the flexibility and speed of deployment of a public cloud service. Aimed to target some of the limitations of public cloud, The Blue Chip Cloud is capable of hosting a multitude of different servers on a number of operating systems, allowing businesses to move their legacy systems out into the cloud as well.


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