Transport & Application Layer Explained | TCP, UDP, HTTP, FTP, DNS, and More (Full Animation)

Description: Learn how the Internet really works — step by step! In this animated video, we explore the Transport Layer and Application Layer of the OSI model, understanding how data moves reliably and how everyday Internet services communicate with each other. You’ll discover how protocols like TCP, UDP, HTTP, FTP, Email (SMTP, POP3, IMAP), Telnet, and DNS work together to make the Internet fast, secure, and interactive. Chapters / Scene Breakdown 00:00 — Introduction: How the Internet Works 01:00 — The OSI Model & Top Layers 02:00 — Port Numbers Explained 03:00 — Common Port Numbers (21, 25, 53, 80, 110, 443) 04:00 — UDP: Fast but Unreliable 05:00 — TCP: Reliable and Ordered 06:00 — HTTP & HTTPS: The Web Protocols 07:00 — FTP: File Transfers 08:00 — Email Protocols: SMTP, POP3, IMAP 09:00 — Telnet & SSH: Remote Access 10:00 — DNS: The Internet’s Phonebook 11:00 — Summary & Outro 💡 What You’ll Learn How the Transport & Application Layers function The difference between TCP and UDP Why ports are important (and what the numbers mean) How protocols like HTTP, FTP, SMTP, and DNS connect the world The role of security in network communication Perfect For : Students, IT beginners, computer science learners, and anyone curious about how Internet communication really works! Credits : 🎙 Voiceover & Script: Anant Jodha Abhinav Singh Praneeth Kumar 🎨 Animation: VideoScribe 🎧 Background Music: Calm Tech Corporate (royalty-free)