For 5th Sem: Midsem syllabus for Computer Network

Subject Name & Code: Computer Network (150702)

Introduction: Uses of computer network, Network hardware, Network software, OSI model, TCP/IP model, Comparison of OSI and TCP/IP model, Example network: The internet, X.25, Frame Relay, ATM, Ethernet, Wireless LANs: 802.11.

The Physical layer: Bandwidth, Maximum data rate of a signal, Guided and unguided transmission media.

The Data Link Layer: Design Issues: Framing, error control, flow control, error detection and correction, Elementary data link protocols: Simplex, stop and wait, Sliding window protocol, HDLC.

The Network Layer: Design Issues: Store and forward packet switching, Service provided to transport layer, Implementation of connection oriented and connection less service, Comparison of virtual circuit and datagram subnets, Routing algorithms, The Optimality principle, Shortest path routing, Flooding, Distance vector routing, Link state routing hierarchical routing, Broadcast routing, Multicast routing, Routing for mobile host, Routing in ad-hoc network, Congestion control algorithms

The Transport Layer: Transport Service: Service Provided to the upper layers, Transport service primitives, Socket, Elements of Transport Protocol Addressing, Connection establishment, connection release, flow control, multiplexing, crash recovery, the transport protocol: TCP, UDP.