Transport Layer Explained in Networking | TCP, UDP, Ports, Sockets, Reliability – Made Simple

The Transport Layer is one of the most important layers in networking and system design.
It decides how data moves from one application to another, how reliability is ensured, and how performance is maintained across networks.

In this video, I explain the Transport Layer in a simple and clear way, covering all key concepts you must know for networking, DevOps, cloud, cybersecurity, backend development, and system design.

🌐 In This Video You Will Learn:

✔ What is the Transport Layer?
✔ Transport Layer in OSI vs TCP/IP Models
✔ TCP vs UDP – Simple & clear comparison
✔ Ports & Sockets explained with examples
✔ Multiplexing & Demultiplexing
✔ TCP 3-Way Handshake & 4-Way Termination
✔ Reliability mechanisms (ACKs, sequence numbers)
✔ Flow control (Sliding Window, Buffering)
✔ Congestion control basics
✔ Why apps choose TCP or UDP (YouTube vs WhatsApp vs Web Browsing)
✔ Real-world examples and use cases

This video is perfect for:
🔰 Networking beginners
🎓 CS/IT students
💻 System Design & Backend learners
🌐 DevOps, Cloud & Cybersecurity engineers
🧠 Coding & networking interview preparation

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