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Unit 1: Introduction to Computer Networks and Logical Link Medium Access Control
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Introduction - Network architecture - Design
Reference models - The OSI Reference Model - The TCP/IP Reference Model - A Comparison of the OSI and TCP/Ip Reference Models Design Issues
Switching Techniques: Circuit and Packet Switching
Connectionless and Connection-oriented Services
Virtual Circuit and Datagram Subnets
Autonomous System
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Unit 2: Network Layer-I
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Routing Algorithms: Optimality principle
Shortes Path routing
Flooding
Distance Vector routing
Link state routing
Hierarchical routing
Network Layer services
IP protocol
IPv4
Problems with IPv4
IPv6
Subnetting
Network Layer Protocols: ARP
RARP
ICMP
DHCP
Unicast Routing Algorithms: RIP
OSPF
BGP
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Unit 3: Transport Layer
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UDP: UDP functionality
UDP Header
TCP: TCP features
Byte-Stream
Connection-oriented
TCP Header Format
2-way, 3-way 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 4: Application Layer
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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 5: Wireless LAN, MAN, WAN
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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