Introduction to AWS

What is AWS?

AWS (Amazon Web Services) is a cloud computing platform that provides on-demand services like computing power, storage, databases, networking, AI, and security.

Instead of managing physical servers, developers can use AWS to build, deploy, and scale applications in the cloud.

Why AWS? (Advantages)

  • Scalability: Easily scale resources up or down as needed.
  • Cost-Effectiveness: Pay only for what you use (no upfront costs).
  • Security: High-level security with IAM roles, encryption, and compliance.
  • Global Availability: AWS has data centers worldwide for faster performance.
  • Wide Range of Services: Offers over 200+ cloud services for various use cases.

How Does AWS Work?

AWS provides different cloud models:

  • IaaS (Infrastructure as a Service): Provides virtual machines, storage, and networking (e.g., EC2, S3, VPC).
  • PaaS (Platform as a Service): Fully managed environments to build applications (e.g., AWS Lambda, Elastic Beanstalk).
  • SaaS (Software as a Service): Ready-to-use cloud software (e.g., AWS WorkSpaces, AWS Chime).

Popular AWS Services

Category Service Description
Compute EC2 Virtual Machines
Serverless Lambda Run code without managing servers
Storage S3 Store files and data
Database RDS Managed SQL databases
NoSQL Database DynamoDB Fully managed NoSQL database
Networking VPC Private cloud network
Security IAM User roles and permissions
CI/CD CodePipeline Automate deployments

Conclusion

AWS is the leading cloud platform that helps businesses and developers build scalable, secure, and cost-effective applications.

Next Topic: AWS Global Infrastructure

In the next post, we will explore AWS Regions, Availability Zones, and Edge Locations to understand how AWS ensures high availability and performance worldwide.