Network Protocols - Rest APIs In Depth
Let's learn about the main network protocols we will be seeing and using as we start working with REST APIs.
We start by looking at the OSI model and its 7 layers and how things are laid out for a nice mental model of how to think about protocols and the network stack.
Then, we take a look at HTTP and HTTPS and the different versions. We compare HTTP 1.1 to HTTP2 and see that HTTPS is HTTP over the TLS layer.
Then, we look at the two main transport layer protocols, TCP and UDP and compare and contrast their differences. We also see that these usually use IP at the network layer to communicate so we check out IP as well as the headers for these 3 protocols to get a better understanding of how they work.
Throughout the video we also try out some examples in Insomnia to see this in action.
Chapters:
00:00 Introduction
01:02 Network Protocols Overview
02:07 OSI Model
06:21 HTTP 1.1
08:05 HTTP 2
10:18 HTTP Headers
12:10 HTTPS
14:03 HTTP Protocols Demo
20:06 TCP
24:56 TCP Headers
25:58 UDP
28:22 UDP Headers
28:54 IP
29:42 IP Headers
30:38 Recap
31:53 Next Steps
📦 Github Repository with the notes and exercise code+solutions: https://github.com/Nooder/rest-api-in...
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