Choose the right solution for you
Amazon Web Services (AWS) offers a vast array of cloud computing services designed to meet the needs of businesses of all sizes. Among its extensive portfolio, five core services stand out as foundational building blocks for creating secure, scalable, and efficient cloud-based solutions.
These services—Amazon EC2, Amazon S3, Amazon RDS, AWS Lambda, and Amazon VPC—provide robust solutions for compute power, storage, databases, serverless computing, and networking. Together, they form the backbone of modern cloud architectures, enabling organisations to innovate faster, reduce operational complexity, and focus on their core objectives.
Amazon EC2 (Elastic Compute Cloud)
What is it?
A web service that provides resizable compute capacity in the cloud. It allows users to run virtual servers (instances) with different operating systems, CPU configurations, memory, and storage.
Use cases
Hosting web applications, running big data analytics, gaming servers, or high-performance computing.
Key features
- Wide selection of instance types optimised for different workloads (e.g., compute-intensive, memory-intensive, or GPU-based tasks).
Auto Scaling and Elastic Load Balancing for high availability and scaling.
Integration with AWS services like S3, RDS, and CloudWatch for monitoring and storage.
Amazon S3 (Simple Storage Service)
What is it?
A highly scalable, durable, and low-cost object storage service designed for any amount of data. It’s used for storing unstructured data such as documents, images, videos, and backups.
Use cases
Backup and disaster recovery, media hosting, data lakes, and log storage for analytics.
Key features
11 nines (99.999999999%) of durability, ensuring data is highly secure.
- Multiple storage classes (e.g., Standard, Glacier, Intelligent Tiering) for cost optimisation based on access frequency.
Supports lifecycle policies for data management, versioning, and cross-region replication.
- Provides encryption and integration with services like CloudFront for content delivery.
Amazon RDS (Relational Database Service)
What is it?
A managed relational database service that supports multiple database engines, including MySQL, PostgreSQL, MariaDB, Oracle, and Microsoft SQL Server. It simplifies database setup, scaling, and maintenance.
Use cases
Powering transactional applications, content management systems, and data-driven business applications.
Key features
Automated backups, patch management, and software updates.
- Highly available with Multi-AZ (availability zone) deployments and read replicas for performance.
Security options include encryption at rest and in transit, along with network isolation via VPC.
Supports monitoring and optimisation with performance insights.
AWS Lambda
What is it?
A serverless compute service that allows you to run code without provisioning or managing servers. You simply upload your code, and Lambda executes it in response to events (e.g., HTTP requests, file uploads, or database updates).
Use cases
Building serverless APIs, event-driven architectures, real-time data processing, or running lightweight microservices.
Key features
Automatically scales to handle varying workloads, from a few requests per day to thousands per second.
- Pay only for the compute time consumed (billed in milliseconds).
Supports a wide range of programming languages, including Python, Node.js, Java, and Go.
Integrates seamlessly with AWS services like API Gateway, DynamoDB, and S3.
Amazon VPC (Virtual Private Cloud)
What is it?
A service that lets you create an isolated network environment in AWS. It provides fine-grained control over networking, including IP ranges, routing, and security. Resources like EC2 instances and RDS databases can be hosted securely within the VPC.
Use cases
Hosting multi-tier web applications, creating hybrid architectures, and ensuring compliance with network isolation requirements.
Key features
Subnets: Allows you to create public and private subnets for controlling access to resources.
- Security: Includes network access control lists (ACLs) and security groups for detailed traffic filtering
Connectivity: Supports hybrid cloud setups with VPN and AWS Direct Connect for on-premises integration.
Elastic IPs and NAT Gateways for managing internet-facing and private resources.
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