Vertical and horizontal scaling simply explained

In this post we look at two terms throw about by systems architects and breakdown what they mean. Scaling vertically and scaling horizontally. Scaling Vertically Adding more resources to the existing server....

Clustering simply explained

What is a cluster? A server working by itself is simply just a server or single node. When you have two or more servers that are designed to do the same thing...

How to Virtualise

You’re probably reading this because you want to know what virtualisation is or how we virtualisation. If you haven’t already you might want to read What is virtualisation?. So hopefully we know what virtualisation...

What is virtualisation?

When we traditionally talk about a server we’re talking about a physical computer having a operating system with one or more application/s. Virtualization allows us to separate the hardware (the actual physical...

RTO vs RPO

When designing system architecture—particularly for business-critical applications—Recovery Time Objective (RTO)and Recovery Point Objective (RPO) are critical factors. They directly influence architectural decisions around redundancy, backup strategies, failover mechanisms, and overall system resilience. But what...