S3:EP5 Networking Protocols and Layers cover art

S3:EP5 Networking Protocols and Layers

S3:EP5 Networking Protocols and Layers

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This episode explains communication protocols, which are sets of rules governing how data is exchanged over networks. It introduces several key protocols, including HTTP and HTTPS for web browsing, FTP for file transfers, and POP, IMAP, and SMTP for email. A significant portion of the material describes the TCP/IP protocol stack, outlining its four layers—Application, Transport, Internet, and Link—and the specific protocols that operate within each, such as TCP for segmenting and reassembling data and IP for routing packets. The episode emphasizes the modular advantages of layered architecture, allowing for independent development and interoperability of different network components and hardware.


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