OSI Model Layer 4 - The Transport Layer

In this video, I'll discuss TCP and UDP ports, called the Transport Layer. This is Layer 4 of the OSI Model. This video is a part of my series on Networking fundamentals. 00:00 Intro 00:23 Why do we need port numbers? 03:22 Where does Layer 4 fit in the OSI Model 04:29 Frame, Packets, and Datagrams 05:21 User Datagram Protocol (UDP) 06:40 Transmission Control Protocol (TCP) Links referenced in this video: https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers