Difference between Public Cloud and Private Cloud

by | Nov 20, 2022 | Cloud Computing, Computing

Preface – This post is part of the Cloud Computing series.

Introduction

Cloud Computing refers to the delivery of resources on-demand via the Internet. Cloud services are deployed in three ways that are public, private, and hybrid cloud.

The public cloud and private cloud are just opposite of each other. Both the shadows play a significant role in IT industries and thus have different use cases. They can be accessed via the Internet. Let’s see the difference between the public and private cloud.

Difference between the Public and Private Cloud

Public CloudPrivate Cloud
Public cloud is cloud computing delivered via the Internet and shared across organizations. Multiple Organizations have access to public cloud services.A private cloud is a computing environment exclusively dedicated to a single entity. It is not devoted to the general public.
The public cloud has to limit control over services. It is a cloud platform with a pre-configured and published offering.The private cloud is highly customized and has control over the user. You or a trusted partner control the service management in a private cloud infrastructure.
The services offered by the public cloud are primarily free or based on a subscription basis and a pay-as-you-go model. These save a lot of money for the user as they do not have to pay for the data center costs like the hardware and infrastructure costs.In the case of the private cloud, they are slightly more expensive than the public cloud. Its dedicated consultation and management team make buying costly for a user.
The public cloud can be easily scaled and consume highly available and scalable services hosted on shared infrastructure, on-demand, at a lower cost.While the private cloud is comparatively less scalable because it works fundamentally different from than public cloud and creates an intimate environment for data and resources.
Cloud providers establish service level agreements.Service level agreements are customized to the customer’s requirements.
The public cloud is less secure than the private cloud as many users access the data, which may cause data conflicts or privacy issues.The private cloud has high-security measures, and data is stored on servers offering maximum control over access and data sovereignty. Also, few people have access to information.
The most popular public cloud provider are Microsoft, Alibaba, Google, Amazon, etc.Private Cloud providers are IBM, HP, Openstack, Dell, Cisco, etc.

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