Private Cloud

A private cloud is cloud computing that delivers similar advantages to the public cloud, including self-service and scalability but through a proprietary architecture. The private cloud is dedicated to the goals and needs of an organization.

A private cloud is a single environment (the tenant) that does not share resources with other organizations. The resources can be hosted and managed in various ways. The private cloud might be based on infrastructure and resources already present in an organization's on-premises data center or on a new, separate infrastructure, which a third-party organization provides. In many cases, the single-tenant environment is enabled solely using virtualization software -- including virtualization and container software -- stacked on top of the operating system determines how the cloud will function and distinguishes the model.

Private Cloud diagram #1


Private cloud Advantages:

  • The main private cloud advantage is that users don't share resources with other hardware and have complete control of their cloud's bare metal hardware level.

  • The private cloud computing model is proprietary that best for businesses with dynamic or unpredictable computing needs and requires direct control over their environments, security, regulatory compliance and business governance requirements.

  • If a business architect and implements a private cloud correctly, it can provide most of the benefits found in public clouds and offer to configure virtual machines (VMs) and change or optimize computing resources on demand.

  • An organization can also implement chargeback tools to track computing usage and ensure business units pay only for the resources or services they use.

  • Complete control over resources, giving organizations the flexibility to design a cloud to meet their specific requirements This helps avoid instances of underutilization, and overutilization resources can be added or shifted with little difficulty.

  • Better performance and scalability, as it takes the complexity out of deploying cloud and bare metal servers. It is easy to scale up and increase capacity when needed.

  • Meets regulatory requirements since responsibility for the physical infrastructure lies solely with the organization. This allows you to comply with privacy and other standards that the multi-tenancy inherent in public clouds could not otherwise meet.

  • An isolated network with Increased security.

  • Increased capability for customization.

Private Cloud diagram #2

Disadvantages of a private cloud

  • Firstly, private cloud technologies can bring some complexity to an enterprise. These technologies require an IT team to re-architect its data center infrastructure and adopt additional management tools.

  • An organization must increase its IT staff to implement a private cloud successfully. Also, it is expensive as it bears all the deployment, acquisition, maintenance, and support costs.

Private clouds Type:

Private clouds can differ as hosted and managed, providing different functions
depending on the needs of the enterprise:


a virtual private cloud is a walled-off environment within a public cloud that allows an organization to run their workloads in isolation from every other User of the public cloud. Although the server is shared by other organizations, the virtual logic ensures that a user's computing resources are private.



in a hosted private cloud environment, the servers are not shared with other organizations. The service provider configures the network, maintains the hardware and updates the software, but the server is occupied by a single organization.



this environment is simply a hosted environment in which the provider manages every aspect of the cloud for the organization, including deploying additional services such as identity management and storage. This option is appropriate for organizations that do not have the staff that is equipped to manage private cloud environments alone.

The above list categorizes private clouds can also be categorized by the
types of infrastructure they provide. For example:


provides only the software necessary for running the private cloud environment, which runs on an organization's pre-existing hardware. A software-only option is often utilized in highly virtualized environments.

Software and hardware

Software and hardware

some vendors sell private clouds as an all-in-one bundle of hardware and software. It is generally a simple platform on the user's premises and may or may not be provider-managed environments.

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