High Availability

HA architecture, fault tolerance, disaster recovery, CDN, and performance optimisation.

High availability is about designing systems that stay up even when components fail. From redundant hosting to CDN configuration to load testing, these articles cover the architectural patterns and practices that keep your site available.

What is High Availability? A Plain English Guide

High availability explained without jargon -- what it means, how it works, common architecture patterns, and whether your small business actually needs it.

High Availability Hosting: What SMBs Should Look For

Choosing hosting for high availability? Questions to ask providers, red flags to watch for, and how to evaluate uptime guarantees for your small business.

High Availability vs Disaster Recovery: What's the Difference?

HA keeps you running during failures. DR gets you back after catastrophes. Here's when you need each and how they work together.

High Availability vs Fault Tolerance: What's the Difference?

HA and fault tolerance sound similar but work differently. Learn the key differences, when you need each, and which approach makes sense for small businesses.