Computer Networking A Top Down Approach 6th Edition by James F Kurose and Keith W Ross

This widely adopted textbook offers a comprehensive and accessible introduction to computer networking. It presents networking concepts in a top-down approach, starting with applications and progressing to lower layers of the network architecture. The book covers a broad range of topics, including network architecture, the Internet, data link layer, network layer, transport layer, application layer, and network security. It is known for its clear explanations, real-world examples, and emphasis on practical applications.