Amazon Web Services

AWS

The broadest and deepest cloud platform

~31% of the cloud infrastructure market*
AWS ⏱ 6 min read

Overview

Amazon Web Services launched in 2006 and remains the largest cloud provider, with more than 200 fully featured services spanning data centers across the globe. If a workload exists, AWS almost certainly has a purpose-built service for it.

Core Services

ServiceWhat it does
EC2Resizable virtual servers for any workload, from a single app to a global fleet.
S3Object storage built to store and retrieve any amount of data, any time.
RDS & DynamoDBManaged relational and NoSQL databases that handle scaling and backups for you.
LambdaRun code without provisioning servers — pay only for the compute you use.
VPCYour own isolated network inside AWS, with full control over IPs and routing.

Pricing Model

ModelDetails
Pay-as-you-goNo upfront cost — billed by the second or hour for what you use.
Savings Plans & ReservedCommit for 1–3 years for up to 72% savings over on-demand.
Free Tier12 months of limited free usage, plus a set of always-free services.

AI & Machine Learning

ServiceWhat it does
SageMaker AIEnd-to-end platform to build, train, and deploy ML models at scale, now part of SageMaker Unified Studio.
BedrockAccess foundation models from multiple providers through one API.
RekognitionPre-trained image and video analysis — no ML experience required.

Key Architectural Strengths

Architectural Trade-offs & Pitfalls

Complexity & Cost Visibility: High flexibility comes with complex IAM governance. Unmonitored resources across regions and unattached EBS volumes can lead to unexpected billing surprises without AWS Budgets and Cost Explorer active.

Cost Optimization & Governance

Tool / FeatureBest Practice
AWS Budgets & Cost Anomaly DetectionSet automated billing alerts and automated stop triggers when thresholds are breached.
Compute Savings PlansCommit to steady compute usage across EC2, Fargate, and Lambda for up to 72% discounts.
S3 Lifecycle PoliciesAutomate transition of object data from Standard to Glacier Instant Retrieval or Deep Archive.
Not sure AWS is right for you?
Take the 2-minute quiz →