OSI Model Layer 3: The Network Layer (IP Addressing & Routing)

A diagram of the OSI Network Layer showing a router connecting various global networks and directing data packets with IP addresses across a world map background.

In our last post, we saw how the Transport Layer (Layer 4) prepares our data for its end-to-end journey. But how does that data find its way through the vast, interconnected maze of networks that make up the internet? That’s the mission of Layer 3: The Network Layer. Think of this layer as the global […]