Silicon Dojo - https://www.meetup.com/silicon-dojo-free-technology-education/

00:00 Introduction
4:30 Local Name Resolution
12:56 Name Resolution on Remote Networks
17:23 Switches and MAC Addresses
25:47 TCP 3 Way Hand Shake and Windowing
35:55 UDP vs TCP
40:59 Server Relays
45:38 Frames, Packets and Segment 
50:20 Jumbo Frames
56:49 Final Thoughts