Client server communication using basic socket communication (TCP and UDP- one way and Two way communication). Experimental study of Application Protocols using HTTP, FTP, SMTP, using Network packet sniffers and analyzers such as Ethereal – Exercises in Socket Programming in C / C++ / Java. Implementation of unicast, broadcast and multicast Communication. Packet Sniffers for understanding the TCP Protocol – File Transfer between nodes in a Network – CSMA / CD - Introduction to ns2 (Network Simulator) – Small Simulation exercises to study TCP Behaviour under different scenarios. Setting up a small IP network - Configure interfaces, IP addresses and routing Protocols to set up a small IP network. Study dynamic behavior using packet sniffers – Design and Implementation of congestion control in TCP/IP Network.