Public Cloud in Cloud Computing

A cloud is called a “public cloud” when the services are rendered over a network that is open for public use. Technically there may be little or no difference between public and private cloud architecture, however, security consideration may be substantially different for services (applications, storage, and other resources) that are made available by a service provider for a public audience and when communication is effected over a non-trusted network. Generally, public cloud service providers like Amazon AWS, Microsoft and Google own and operate the infrastructure and offer access only via Internet.

Public Cloud in Cloud Computing

Benefits of Public Cloud Model-

1. Low Cost
Public cloud is having low cost as compared to private or hybrid cloud, because it shares same resources with large number of consumer.

2. Reliable
Public cloud provides large number of resources from different locations, if any of the resource fail, public cloud can employ another one.

3. Flexible
It is very easy to integrate public cloud with private cloud and hence it gives flexible approach to consumers.

4. Location Independent
It ensures the independency of location, because public cloud services are delivered through Internet.

5. High Scalability
Cloud resources are available as per the demand from the pool of resources that means they can be scaled up or down according to the requirement.

Risks of Public Cloud

Here are the disadvantages of public cloud model:

1. LOW SECURITY
In public cloud model, data is hosted off-site and resources are shared publicly, therefore does not ensure higher level of security.

2. LESS CUSTOMIZABLE
It is comparatively less customizable than private cloud.

 

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