WebSockets an Introduction and Deep Dive

#websockets, #signalr
The WebSocket Protocol enables two-way communication between a client running untrusted code in a controlled environment to a remote host that has opted-in to communications from that code. The security model used for this is the origin-based security model commonly used by web browsers.

WebSocket providing full-duplex communication channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C.

Live Demo website: http://iot.matlus.com/polls/results

Chapter Markers
00:00 Introduction
01:32 Demo
03:17 Demo Explanation
08:06 Access the Live Demo Website
09:09 Starting with WebSockets
09:30 TCP – OSI Model/Stack
11:48 What is TCP?
18:56 What is HTTP?
23:37 WebSockets – A Deep Dive
31:20 WebSockets – Full Duplex
34:31 WebSockets – Light Weight
35:23 Downsides of WebSockets