Developing a custom binary protocol for Node.js and WebSockets based applications with authorization via JWT

Introduction

Developing efficient and secure applications requires not only a well-thought-out API, but also the right choice of data transfer protocol. Web applications usually use text-based formats such as JSON or XML, but for high-performance systems that require minimal latency and low data transfer volume, it can be advantageous to use binary protocols. In this article, we'll walk through how to develop a custom binary protocol for Node.js and WebSockets-based applications, add authorization via JWT, and explore the advantages of a binary protocol over other data formats.

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