Download Broadband and TCP/IP fundamentals, This note covers the subsequent topics: Basics of TCP/IP networks: problems in layering, switching and Scheduling: Medium access, switching, queueing and scheduling, Routing and Transport: Addressing, routing, transmission {control protocol|TCP|protocol|communications protocol} variants and congestion control, Applications and Security: Sockets, RPC, firewalls and cryptography. Download the pdf from below to explore all topics and start learning.