LAN – WAN – MAN – Wireless – Home Networks. Network Software: Protocol Hierarchies– Design Issues for the Layers – Connection-oriented and connectionless serIces – SerIce Primitives – The Relationship of serIces to Protocols.Reference Models: OSI Reference Model – TCP/IP reference Model
Magnetic Media – Twisted Pair – Coaxial Cable – Fiber Optics. Wireless Transmission: Electromagnetic Spectrum –Radio Transmission – Microwave Transmission– Light Waves. Communication Satellites: Geostationary, Medium-Earth Orbit, Low Earth-orbit Satellites – Satellites versus Fiber.
Error Detection and correction – Elementary Data-link Protocols – Sliding Window Protocols. MEDIUM-ACCESS CONTROL SUB LAYER: Multiple Access Protocols – Ethernet – Wireless LANs - Broadband Wireless – Bluetooth.
Routing algorithms – Congestion Control Algorithms. TRANSPORT LAYER: Elements of Transport Protocols – Internet Transport Protocols: TCP.
DNS – E-mail. NETWORK SECURITY: Cryptography – Symmetric Key Algorithms – Public Key Algorithms – Digital Signatures
Reference Book:
1. DATA COMMUNICATION AND NETWORKS – AchyutGodbole, 2007, TMH.2. COMPUTER NETWORKS Protocols, Standards, and Interfaces – Uyless Black,2nded, PH
Text Book:
1.COMPUTER NETWORKS – Andrew S. Tanenbaum, 4th edition, PHI.(UNIT-I:1.2-1.4 UNIT-II:2.2-2.4 UNIT-III:4.2-4.6 UNIT-IV:5.2,5.3,6.2,6.5 UNIT-V:7.1,7.2,8.1-8.4)
