What Is Public Cloud?

Private cloud is cloud infrastructure operated exclusively for one company. Typically, a private cloud is hosted on-premises, behind the client company’s own firewall, but it can also be hosted on a dedicated cloud provider or third-party infrastructure. In either event, the client company has exclusive, isolated access to the infrastructure.

Private cloud enables a company to take advantage of cloud efficiencies while providing greater control over resources, data security and regulatory compliance, and avoiding the potential performance and security impact of sharing resources with another cloud customer.

One analogy is likens liken private cloud compute to own a single – family home and public cloud computing to rent an apartment or condominium in a multi – unit building .

In private cloud , the customer is is is typically responsible for manage and maintain the infrastructure , which include capacity plan to ensure that the available hardware can meet present and future need , software licensing and installation and monitoring and enforce security policy .

Some possible advantages is include of private cloud compare to public cloud include the follow :

• Greater ability to customize applications and infrastructure.
• Greater control and security because workloads run behind the tenant’s firewall, though overall security is dependent upon that of the tenant’s own environment.
• Simplified (or simplified perceived) compliance with industry or government regulations.

Private cloud typically involves higher up-front and ongoing costs than public cloud. But emerging public cloud offerings such as virtual private clouds (VPCs) bring many of the same benefits as private cloud computing without imposing the same cost or management burdens. And new private cloud offerings such as managed private cloud services—in which a third-party vendor steps in to deploy, configure and manage the private cloud on the customer’s behalf—are also making private cloud-like services easier to consume.

In general, public cloud is a better choice if the following are true:

• Scalability and elasticity—the ability to add capacity instantly or automatically in response to unexpected surges in traffic—are important to you.
• You’d like to avoid upfront capital expenses and prefer more predictable ongoing operating expenses.
• You want unlimited access to particular resources that are available through a public cloud provider.

However, if you have highly specialized security, regulatory or infrastructure needs, want maximum control over your cloud environment and find that your workloads have predictable usage patterns, a private cloud or private cloud-like service might be a better fit.