Introduction to WebRTC

Before we start building the application, it's best to know a few things about WebRTC so that you get a good idea about the workings of the app.

History of WebRTC

Real-time communication capabilities have become a common feature of many of the applications we use nowadays. Say you want to chat with your friend or watch a live soccer game. Real-time communication is a must for these applications. However, having live video calls on a browser in the past was quite a difficult task for users, because they had to install plugins into their system for different applications to use video calling on the web browser, and with plugins came vulnerabilities, hence, regular updates.

To overcome this problem, Google released an open source project in May 2011 for browser-based real-time communication standards, called WebRTC. The concept of WebRTC is simple. It defines a set of standards that should be used across all applications so that applications can communicate directly with...