Computer Networks and Internet Protocol

Unit -I

Introduction to Layered Network Architecture- What are computer networks, Layered models for networking, ISO-OSI Model, TCP/IP, different types of communication models.

Unit -II

Data Link Protocols- Stop and Wait protocols, Noise-free and Noisy Channels, Performance and Efficiency, Sliding window protocols, MAC Sublayer: The channel Allocation Problem, Carrier Sense Multiple Access Protocols, Collision Free Protocols, FDDI protocol. IEEE Standard 802.3 & 802. 11 for LANs and WLANs

Unit -III

Network Layer protocols- Design Issues: Virtual Circuits and Datagrams, Routing Algorithms, Optimality principle, shortest path routing Algorithms, Flooding and Broadcasting, Distance Vector Routing, Link State Routing, Flow-Based Routing, Multicast Routing;Flow and Congestion Control. 

Unit -IV

Transpott Layer Plotocols- Design Issues, Quality of Services. The Internet Tlansport Protocols. IPV4 vs IPV6. Session Layer protocol: Dialog Managernent, Synchronization, Connection Establishment. Quality of service, security rnanagernent, Firewalls. Application layer protocols: HTTP, SMTP, F'TP, SNMP, etc.

Text Books:

1. Tanenbaum, S., Computer Networks, Fifth Edition, Prentice Hall, India, 2013.
2. Behrouz A. Forouzan, Data communication and networking, 5E, Tata McGraw Hill, 2013.

Reference Book:

1. Computer networking- A top-down approach, Pearson Publications. 2017 edition.