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00:00 - Intro
00:22 - What are protocols?
01:09 - Protocols as Stacks
03:58 - TCP/IP Protocol
8:08 - Other Protocols
10:51 - Packet Switching
16:54 - Routers in Packet Switching
18:10 - Packet Switching - Advantages & Disadvantages
20:09 - Circuit Switching
22:54 - Circuit Switching - Advantages & Disadvantages
24:22 - Circuit Switching vs. Packet Switching
27:24 - Wrap Up
