3.1 Introduction and Transport-layer Services
14:20
3.2 Transport layer multiplexing and demultiplexing
24:29
2.1 Principles of the Application Layer
15:44
4.1 Introduction to the Network Layer
19:08
2.4 The Domain Name System (DNS)
24:04
3.4-1 Principles of Reliable Data Transfer (Part 1)
6:25
Top 8 Most Popular Network Protocols Explained
30:14
4.3 The Internet Protocol, part 1
13:36