Difference Between Public Cloud, Private Cloud, And Hybrid Cloud Computing

Cloud computing is the source of data storage, computer system resources, and computing power for many users over the internet. Cloud computing term is generally used to describe data centers available to many users over the Internet. The transformative networked computing model can be categorized into three types: Public Cloud, Private Cloud, and Hybrid Cloud.
Difference Between Public Cloud, Private Cloud, And Hybrid Cloud Computing

Difference Between Public Cloud, Private Cloud, And Hybrid Cloud Computing

The technology service can be accessed in different models and deployment strategies, contain the most popular Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).

The primary infrastructure architecture can take diverse forms and features, including virtualized, software-defined, and hyper-converged models, among others.

Public Clouds

Public clouds are the most usual way to establish cloud computing. The cloud computing resources are owned and operated by a third-party cloud service provider and delivered over the Internet. Microsoft Azure is an example of a public cloud.

In a public cloud, you share the same hardware, storage, and network devices with other public cloud users. You can access services and manage your public cloud account using a web browser. Public cloud deployments are commonly used to provide web-based email, online applications, and data storage.

Advantages of public clouds

  • Lower costs — no need to purchase software and hardware and you pay only for the service.
  • No maintenance — service provider provides the maintenance.
  • Near-unlimited scalability — on-demand resources are available to meet your business needs.
  • High reliability — a huge network of servers ensures against failure.

Disadvantages of public clouds

  • The total cost of ownership can rise exponentially for large-scale usage, specifically for midsize to large enterprises.
  • Not the most viable solution for security and availability sensitive mission-critical IT workloads.
  • Low visibility and control into the infrastructure, which may not suffice to meet regulatory compliance.

Private Clouds

A private cloud hosting solution, also known as an enterprise cloud, resides on the company’s hosted data center where all of your data is protected behind a firewall. This can be a great option for companies that already have expensive data centers because they can use their current infrastructure.

However, the main drawback people see with a private cloud is that all management, maintenance, and updating of data centers is the responsibility of the company and it's very expensive.

Advantages of a private cloud

  • Flexibility — your organization can customize its cloud environment to meet specific business needs.
  • High security — resources are not shared with others, so higher levels of control and security are possible.
  • High efficiency — private clouds still afford the scalability and efficiency of a public cloud.

Disadvantages of private clouds

  • Expensive solution with a relatively high total cost of ownership as compared to public cloud alternatives for short-term use cases.
  • Mobile users may have limited access to the private cloud considering the high-security measures in place.
  • The infrastructure may not offer high scalability to meet unpredictable demands if the cloud data center is limited to on-premise computing resources.

Hybrid clouds

In a Hybrid cloud, data and applications can move between private clouds and public clouds for higher flexibility and more installation options. For example, you can use the public cloud for high-volume, lower-security needs such as web-based email and the private cloud for sensitive, business-critical operations like financial reporting. In a hybrid cloud, “cloud bursting” is also an option.

This is when an application or resource runs in the private cloud until there is a spike in demand (such as seasonal events like online shopping or tax filing), at which point the organization can “burst through” to the public cloud to tap into extra computing resources.

Advantages of hybrid clouds

  • Control — your organization can maintain a private infrastructure for sensitive assets.
  • Flexibility — you can take advantage of additional resources in the public cloud when you need them.
  • Cost-effectiveness — with the ability to scale to the public cloud, you pay for extra computing power only when needed.
  • Ease — transitioning to the cloud does not have to be overwhelming because you can migrate gradually—phasing in workloads over time.

Disadvantages of hybrid clouds

  • The hybrid cloud is very expensive.

Powerful compatibility and integration are required between cloud infrastructure spanning different locations and categories. This is the limitation with public cloud deployments, for which organizations lack direct control over the infrastructure.

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Difference Between Public Cloud, Private Cloud, And Hybrid Cloud Computing Difference Between Public Cloud, Private Cloud, And Hybrid Cloud Computing Reviewed by Redbuddy on May 24, 2020 Rating: 5

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