Public Cloud

Public cloud is a type of cloud computing deployment model where on-demand computing services and infrastructures are managed by cloud service providers (CSP) and shared with multiple organizations through the public Internet. And it offers cloud computing services to cloud service customers through infrastructure as a service (IaaS), platform as a service (PaaS) and software as a service (SaaS) service delivery models. And it is the cloud deployment model where cloud resources and services are controlled by the cloud service provider (CSP) and cloud computing services are delivered to any cloud service consumer (CSC). Moreover, it is a set of computing services that can be accessed by anyone interested and able to pay for cloud services.

Public cloud is open to the general public and it can be established and provided by private organizations, government organizations, academic institutions, or combination of these entities to provide highly scalable resources.

The benefits of public cloud include the following:

• Provides unlimited scalability
• Easy to establish and manage
• Provides efficient and effective resources
• Economies of scale
• It can be made available in a couple of minutes
• Provides high availability (HA) services
• Better accessibility and connectivity
• Data recovery
• Business continuity
• More