In this tutorial you'll learn how to make your MMO scale better, using Phaser Quest as an example.
"Interest management is a very important technique to make massively multiplayer online games scale better. In this article, I’ll first start by explaining what it is and why it is useful. I’ll proceed with a concrete example, showing how it was implemented in Phaser Quest.
Imagine you have just rolled out your brand new MMO, featuring a vast open world to explore. Naturally, you’ll have tons of players. At a given moment, some of these players might be visiting a dungeon in one corner of the world, while some others might be exploring a forest far, far away."