Concepts and fundamental design principles of Computer Networks and Internet that have contributed to the modern networks implementation. Survey of new trends in networks and Internet/Intranet with design of real campus networks. Topics include discussion of fundamental aspects of Internet applications layer (HTTP, FTP, DNS), TCP, UDP socket programming, reliable data transfer, congestion control, network layer (Ipv4 and Ipv6) and routing, link layer and Local Area Networks (LAN), multimedia networking (RTSP, RTP, RSVP, DiffServ), and security in computer networks.