COMPUTER NETWORKS

computer networks. Unit 1 Covers Building a network – Requirements – Layering and protocols – Internet Architecture – Network software – Performance – Link layer Services – Framing – Error Detection – Flow control. Unit 2 Covers Media access control – Ethernet (802.3) – Wireless LANs – 802.11 – Bluetooth – Switching and bridging – Basic Internetworking (IP, CIDR, ARP, DHCP, ICMP). Unit 3 Covers Routing (RIP, OSPF, metrics) – Switch basics – Global Internet (Areas, BGP, IPv6), Multicast – addresses – multicast routing (DVMRP, PIM). Unit 4 Covers Overview of Transport layer – UDP – Reliable byte stream (TCP) – Connection management – Flow control – Retransmission – TCP Congestion control – Congestion avoidance (DECbit, RED) – QoS – Application requirements. Unit 5 Covers Traditional applications -Electronic Mail (SMTP, POP3, IMAP, MIME) – HTTP – Web Services – DNS – SNMP.