What is aws

Last updated: April 1, 2026

Quick Answer: AWS (Amazon Web Services) is a comprehensive cloud computing platform provided by Amazon that offers computing power, database storage, content delivery, and other services to businesses and individuals worldwide.

Key Facts

What is AWS?

Amazon Web Services (AWS) is a subsidiary of Amazon.com that provides on-demand cloud computing platforms and APIs to individuals, companies, and governments. Rather than building and maintaining expensive physical servers, organizations can rent computing resources from AWS and scale them up or down based on their needs. This approach has transformed how businesses build and deploy applications.

Core Services

AWS offers an extensive portfolio of services across different categories. EC2 (Elastic Compute Cloud) provides resizable computing capacity, while S3 (Simple Storage Service) offers scalable object storage. RDS (Relational Database Service) manages databases, and Lambda enables serverless computing where code runs without managing servers. Additional services cover networking, machine learning, analytics, security, and more.

Advantages of AWS

Organizations choose AWS for several key reasons. The platform provides global infrastructure with data centers in multiple regions, ensuring low latency and high availability. AWS's pay-as-you-go model eliminates large upfront capital investments. The service offers flexibility, scalability, and integration with other tools. Security features are built into the platform, and AWS provides extensive documentation and support for users.

Pricing and Cost Management

AWS pricing is based on actual usage, allowing businesses to optimize costs. Customers can use the AWS calculator to estimate expenses for their specific needs. Reserved instances offer discounts for long-term commitments, while savings plans provide flexibility. Cost management tools help organizations monitor and control their spending effectively.

Global Reach and Reliability

AWS operates data centers in multiple geographic regions worldwide, enabling businesses to serve customers globally with low latency. The infrastructure is designed for reliability with redundancy and automatic failover. AWS's global network ensures fast content delivery and supports disaster recovery strategies. This distributed architecture has become essential for modern applications requiring high availability.

Related Questions

What is cloud computing?

Cloud computing is the delivery of computing services—including servers, storage, databases, and software—over the internet. Rather than owning physical infrastructure, users access these services remotely through cloud providers.

What are alternatives to AWS?

Major AWS alternatives include Microsoft Azure, Google Cloud Platform (GCP), and IBM Cloud. These competitors offer similar services with different pricing models, regional availability, and feature sets.

How does AWS billing work?

AWS uses a pay-as-you-go model where customers pay for actual resource usage measured hourly or per request. Monthly bills are calculated based on consumption, and organizations can set up billing alerts to monitor spending.

Sources

  1. Wikipedia - Amazon Web Services CC-BY-SA-4.0
  2. Wikipedia - Cloud Computing CC-BY-SA-4.0