What is cloud?

 What is cloud?

Cloud is a virtual machine that provide complete system to store, compute & stream application.

Cloud use internet protocol to communicate front end to backend.

Cloud  handled by various service provider such as AWS(Amazon web service), Microsoft Azure, Google Cloud, IBM Cloud, etc.

Type of Cloud

1)  Private Cloud: we will create cloud services in private machine that will be accessed for particular user's.it is for specific users to access the cloud machine.

We will create separate VPC (Virtual private cloud environment) to access cloud machine.

Bank employee can communicate and transfer and share data from each other using private cloud.

2)  Public Cloud: it is most useful cloud system that provide global scope to access cloud machine from anywhere, user's can connect cloud system using mobile device, laptop and desktop via internet services. AWS, Azure these are the part of public cloud.

3)  Community Cloud: it is for associated partners & users of specific group of peoples.

for example if we want to share all important information to all health community then we can create health cloud to store the data.

Services of Cloud

1)  IAAS: Infrastructure as a Service , it provide complete infrastructure where we can create machine, deploy application, create user's, roles and opt various services.

AWS , Azure, IBM these all are provide environment hence these are IAAS based cloud system.

2) PAAS: Platform as a Service:  It provide complete platform or readymade application to re-create customized application as per client need.

Salesforce, AMAZON EC2, AMAZON S3

3) SAAS:  Software as a Service It provide complete software application that can be easily shared to service provider with minimal modification.

it contain in-build cloud database, cloud application, cloud hosting , cloud based service provider.

Salesforce CRM(Customer relationship Management).

ODDO CRM,

JIRA CRM

WordPress 

Blogger,

Amazon DynamoDB

Amazon Lambda

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Task 

Create Free tier account on AWS.