Introduction Hi, I’m Glenn Fiedler and welcome to Building a Game Network Protocol. In this article we’re going to explore how AAA multiplayer games like first person shooters read and write packets. We’ll start with text based formats then move into binary hand-coded binary formats and bitpacking. At the end of this article and the next, you should understand exactly how to implement your own packet read and write the same way the pros do it.| Gaffer On Games