| Unit I |
Introduction to Computer Networks and Logical Link Medium Access Control |
8 |
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Introduction |
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Network architecture - Design |
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Reference models - The OSI Reference Model - The TCP/IP Reference Model - A Comparison of the OSI and TCP/IP Reference Models |
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Design Issues, Switching Techniques: Circuit and Packet Switching, Connectionless and Connection-oriented Services, Virtual Circuit and Datagram Subnets |
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Autonomous system |
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| Unit II |
Network Layer-I |
8 |
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Routing Algorithms: Optimality principle, shortest path routing, flooding, Distance Vector routing, link state routing, hierarchical routing |
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Network layer services, IP protocol, IPv4, Problems with IPv4, IPV6, Subnetting |
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Network layer Protocols: ARP, RARP, ICMP, DHCP, Unicast Routing Algorithms: RIP, OSPF, BGP |
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| Unit III |
Transport Layer |
8 |
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UDP : UDP functionality, UDP Header |
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TCP : TCP Features, byte-stream, Connection-oriented, TCP Header Format, 2-way, 3-way 32 Handshake, TCP State Diagram, TCP Sliding Window, Congestion Control Algorithms, Leaky Bucket, Token Bucket, Congestion Avoidance, TCP Tahoe, Fast Retransmit, Fast Recovery, Timer Management |
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| Unit IV |
Application Layer |
6 |
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Domain Name System (DNS), Naming and Address Schemes, DNS servers, Email: MIME, SMTP and POP3. Remote login, File Transfer Protocol (FTP), SNMP, DHCP and BOOTP. World Wide Web, HTTP |
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| Unit V |
WIRELESS LAN, MAN, WAN |
6 |
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Introduction (Infrastructure and Ad-hoc Networks), Fundamentals of WLAN – technical issues, Network Architecture, IEEE 802.11- physical layer, Mac Layer Mechanism, CSMA/CA, Bluetooth - Specification, Transport Layer, Middleware Protocol Group, Bluetooth Profiles of IEEE 802.16, Sensor Node Architecture (hardware components), Sensor Network Architectures |
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