Mastering the TCP/IP Model: Layers, Protocols, and Practical Examples
In this video, we dive deep into the TCP/IP model, the backbone of modern internet communication. We explain the four layers of TCP/IP — Application Layer, Transport Layer, Internet Layer, and Network Access Layer — and discuss their protocols, such as HTTP, DNS, TCP, UDP, IPv4, and Ethernet.
🔹 Application Layer
Explore how high-level protocols like HTTP, TLS, and DNS enable communication between applications.
🔹 Transport Layer
Learn the differences between TCP (reliable communication) and UDP (faster, connectionless communication).
🔹 Internet Layer
Understand how IP (Internet Protocol) routes data between devices using IPv4 and IPv6.
🔹 Network Access Layer
Discover how data moves over physical media using Ethernet and Wi-Fi.
We will also illustrate the full data flow from sending a simple HTTP request to receiving a response, and we will cover key concepts like packet routing, IP addresses, and encryption.
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