UNIT-I FUNDAMENTALS AND DATA LINK LAYER

Building a network – Requirements – Layering and protocols – Internet Architecture –
Network software – Application Programming Interface (sockets) – Performance –
Link layer Services – Framing – Error Detection and Correction – Reliable
transmission

UNIT-II MEDIA ACCESS AND INTERNETWORKING

Media Access Protocols – ALOHA – CSMA/CA/CD –Ethernet – Wireless LANs –
802.11- Bluetooth – Switching and Forwarding – Bridges and LAN Switches – Basic
Internetworking- IP Service Model – IP fragmentation – Global Addresses – ARP –
DHCP – ICMP- Virtual Networks and Tunnels.

UNIT-III ROUTING

Routing – Network as Graph – Distance Vector – Link State – Global Internet –
Subnetting – Classless Routing (CIDR) – BGP- IPv6 – Multicast routing – DVMRPPIM.

UNIT-IV TRANSPORT LAYER

Overview of Transport layer – UDP – TCP – Segment Format – Connection
Management – Adaptive Retransmission – TCP Congestion control – Congestion
avoidance (DECbit, RED) – QoS – Application requirements.

UNIT-V APPLICATION LAYER

E-Mail (SMTP, MIME, POP3, IMAP), HTTP – DNS – FTP – Telnet – web services –
SNMP – MIB – RMON.