What is Cloud Computing ? How it works?

AleMayehu IT Solutions

 What is Cloud Computing?

Hello ! Welcome to cloud computing concept, when we say cloud computing it has two different words which has different meaning such;

Cloud

Computing

Let's see them one by one as follows, please follow for more and subscribe our news letter.

Cloud

When we say cloud, the first thing comes to our mind is the following image.

Cloud
















But not 🚫
Cloud in computer concept is connecting to computer infrastructures remotely. Computer infrastructure means, devices enable us to use many services like, softwares, infrastructures, platforms we will this in detail as follows.

Models of Cloud Computing.

SaaS(software as a service)

This is a service which any person can use software from remote by payment and free form.
Example business softwares like ERP, CRM and other data statistics softwares



Paas(platform as a service)

Platform as a service means, a service which many software developers for PC and Android, iOs, website developers use many platforms like Databases and softwares  to develop their product by requesting the service from cloud service providers.



Iaas(infrastructure as a service)

Building data center may cost small business owners and individuals. 
To save our budget to build a data center, we can use IaaS(infrastructure as a service) from cloud computing service providers.
Services we you may get from this service is , infrastructure like, SERVERS, different OS (operating systems) Linux, windows and other operating systems, Network security devices like Firewall and other services.



Type of  Cloud Computing?

In previous topic we have seen the different type of cloud services, now let's see form of Cloud Computing.
There are three different form of Cloud Computing, those are 
Private
Public
Hybrid 
and community.

Private cloud computing

Private cloud computing is a type of cloud computing which is owned by individuals or small or large business. 
The owner of the service subscribes  the service from provider by communicating with them and charged some amount of money.

Public cloud computing.

Public cloud computing service is available all over the world. This service doesn't need payement to use the services
Example Google drive. 15gb space.

 Hybrid cloud computing 

This service is a collection of both private and public cloud computing.
Partially free to use as a public and partially payment should be done to use the service.
Example Google drive after you finish 15gb of Gmail account you have to pay for next package.



Cloud computing service providers 

Cloud computing service providers are company's which provides all cloud computing services as we need! From those providers I have listed them here.




1 Amazon web service (Aws)
2 Google cloud
3 Sales force
4 Azure from Microsoft
5 Oracle
6 IBM and so on.

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