Azure is a cloud computing platform that allow you to access and manage cloud services. Cloud use Consumption Type Model where you must pay only for the services you are using.
Types of Cloud Model:
According to the business requirement user can use any type of model which are mentioned below:
Public Cloud:
In this model the cloud resources is provided by the Third-party cloud service provider. This is Low cost and low maintenance model. The resources provided are such as servers, storage etc. In which Hardware, software and other supporting infrastructure is also provide and managed by the cloud service provider.
Example: Microsoft Azure
Private Cloud:
In this model the resources are physically located on-premises. This model is highly secured model, as the Hardware and software are maintained in its private network. And it is more flexible as you can customized cloud environment according to the need.
Hybrid Cloud:
This model is the combination of both Public as well as private model. In this user can manipulate the resources according to its need. It provides greater flexibility as the organization can choose which services need to be get from Third-party cloud service provider or can put its sensitive resources on-premises.
Comparing Cloud Models:
| Public Cloud Model | Private Cloud Model | Hybrid Cloud Model | |
| Cost Effective | Yes | No | Yes |
| Highly flexible and scalable | No | Yes | Yes |
| Customizable | No | Yes | Yes |
| Security | No | Yes | Yes |
Types of Cloud Services:
Here we will discuss and compare about all the cloud services
Infrastructure as a Service (IaaS):
In this Cloud service provider only provide you Storage and Networking. All other should be managed/arrange by the user such as Application, operating system, Virtual Machine. This service requires most user management
Platform as a Service (PaaS):
In this cloud service provider provide you the Platform and user only have to focus on the Application development. User can create and deploy Application quickly without having to worry about managing the underlying infrastructure.
Software as a Service (SaaS):
In this user just have to manage its data. Service provider provides you the rest such as software, hardware, Application etc. This service is hosted in the customer side and generally required an annual subscription
Example: Microsoft Office 365, Emails
This is the basic knowledge about the cloud and can be applicable for all type of cloud services.
Superb and represented in simple language.