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Introduction to AWS Cloud
What is Cloud Computing?
Learning Outcome
5
Relate cloud computing and AWS with real-life examples
4
Understand what AWS Cloud is
3
Understand different types of cloud computing
2
Know why cloud computing is needed
1
Understand what cloud computing is
Earlier, we learned
Cloud removes the need to buy and manage physical machines
Understanding the concept
Think about using Google Drive
You don’t buy a hard disk
You don’t manage storage
You just upload and access files online
Cloud computing works the same way for servers, storage, and applications
You use servers and storage online without owning or managing them
Now that we understand the idea,
let’s learn what cloud computing actually means and how AWS provides it
What is Cloud Computing...?
Cloud computing is the delivery of computing services like storage, servers, databases, networking, and software over the internet
That allows users to
Access resources on demand without physical infrastructure
Scale services up or down based on need
Pay only for what they use, reducing costs
These resources include
Users can access these resources on demand, from anywhere
Why Cloud Computing is Used
Cloud computing is needed because:
-
Physical servers are costly
-
Hardware maintenance is difficult
-
Scaling systems takes time
- Faster setup
-
Lower cost
-
Easy scalability
Cloud computing provides:
Key Features of Cloud Computing
On-Demand Access – Use resources when needed
Pay-as-you-go – Pay only for what you use
Scalability – Increase or decrease resources easily
Accessibility – Access from anywhere
Types of Cloud Computing
- Resources shared among many users
-
Managed by cloud provider
Example:
Hosting websites on AWS.
- Cloud used by one organization
-
More control and security
- Combination of public and private cloud
Public Cloud
Example:
Company’s internal cloud system.
Private Cloud
Hybrid Cloud
Example:
Sensitive data in private cloud, apps in public cloud
Community Cloud
A Community Cloud is a cloud environment that is shared by multiple organizations that have similar requirements
These organizations may share
Security requirements
Compliance rules
Policies or regulations
Instead of each organization creating its own cloud,
they share the same cloud infrastructure
Cloud Service Models
1. Infrastructure as a Service (IaaS)
Provides virtual machines, storage, and networking
2. Platform as a Service (PaaS)
Provides development environments without worrying about infrastructure
3. Software as a Service (SaaS)
Provides fully managed applications over the internet
Example: AWS EC2, Google Compute Engine
Example: Google App Engine, AWS Elastic Beanstalk
Example: Google Drive, Microsoft Office 365
What is AWS Cloud...?
Amazon Web Services (AWS) is a cloud platform that provides on-demand computing services over the internet
AWS manages the hardware, data centers, and infrastructure, while users focus only on using the services
AWS allows users to
Run virtual servers
Store data securely
Build and deploy applications
Scale systems automatically
Why AWS Cloud is Popular
Example:
Companies host websites, applications, and databases on AWS Cloud
It offers a large number of cloud services
It is reliable and scalable
It follows strong security standards
It is used by startups and large companie
Cloud computing provides several advantages
Summary
5
AWS helps build and run applications easily
4
AWS is a popular cloud service provider
3
Cloud is scalable and cost-effective
2
It removes the need for physical servers
1
Cloud computing provides IT resources over the internet
Quiz
What is cloud computing?
A. Using only local computers
B. Using internet-based IT services
C. Using USB storage
D. Using offline software
Answer
What is cloud computing?
A. Using only local computers
B. Using internet-based IT services
C. Using USB storage
D. Using offline software
DevOps-Introduction to AWS Cloud-What is Cloud Computing
By Content ITV
