TCP IP Model Explained | TCP IP Model Animation | TCP IP Protocol Suite | TCP IP Layers | TechTerms

About this Video

• Video Title: TCP IP Model Explained | TCP IP Model Animation | TCP IP Protocol Suite | TCP IP Layers | TechTerms
• Channel: TechTerms
• Speakers: None specified in transcript.
• Duration: 00:19:37

Introduction

This video explains the TCP/IP model, a suite of protocols supporting network communication between computers. It details the different layers (Application, Transport, Network, Data Link, Physical) and their functions, including how data is encapsulated and decapsulated as it travels through the network. The video emphasizes the roles of TCP and UDP in reliable and unreliable data transmission.

Key Takeaways

• TCP/IP Protocols: The TCP/IP model is a set of protocols enabling communication between computers, even from different manufacturers. It's a practical model used in internet design.
• Layered Architecture: The model uses a layered architecture; each layer adds headers and trailers to the data unit from the layer above, encapsulating it for transmission. The receiving end reverses the process.
• TCP vs. UDP: TCP (Transmission Control Protocol) is a reliable, connection-oriented protocol guaranteeing ordered delivery, error correction, and retransmission of lost data. UDP (User Datagram Protocol) is faster but unreliable, offering no such guarantees.
• Network Layer Functions: The network layer handles logical addressing (IP addresses), routing, and path determination, ensuring packets reach their destination across different networks using routers.
• Application Layer Protocols: The application layer interacts directly with user applications, employing protocols like HTTP, SMTP, DNS, DHCP, and FTP to access network information and services.