Computer Networking

Computer Networking

Computer Networking is a very important domain of computer science engineering computer network is a group of computer systems and other computing hardware devices that are linked together through communication channels to facilitate communication and resource-sharing among a wide range of users. Networks are commonly categorized based on their characteristics.
Overview of Data Communication and Networking: [4L]
Introduction; Data communications: components, data representation (ASCII, ISO etc.), the direction of data flow (simplex, half duplex, full duplex);
network criteria, physical structure (the type of connection, topology), categories of a network (LAN, MAN, WAN); Internet: a brief history, Protocols and
standards; Reference models: OSI reference model, TCP/IP reference model, their comparative study.
Physical Level: [6L]
Overview of data(analog & digital), signal(analog & digital), transmission (analog & digital) & transmission media (guided & unguided); Circuit
switching: time division & space division switch, TDM bus; Telephone Network;
Data link Layer: [5L]
Types of errors, framing(character and bit stuffing), error detection & correction methods; Flow control; Protocols: Stop & wait for ARQ, Go-Back- N
ARQ, Selective repeat ARQ, HDLC;
Medium Access sublayer: [5L]
Point to Point Protocol, LCP, NCP, Token Ring; Reservation, Polling, Multiple access protocols: Pure ALOHA, Slotted ALOHA, CSMA,
CSMA/CD, CSMA/CA Traditional Ethernet, fast Ethernet(in brief);
Network layer: [8L]
Internetworking & devices: Repeaters, Hubs, Bridges, Switches, Router, Gateway; Addressing: IP addressing, subnetting; Routing: techniques, static
vs. dynamic routing, Unicast Routing Protocols: RIP, OSPF, BGP; Other Protocols: ARP, IP, ICMP, IPV6;.
Transport layer: [4L]
The process to Process delivery; UDP; TCP; Congestion Control: Open Loop, Closed Loop choke packets; Quality of service: techniques to improve QoS:
Leaky bucket algorithm, Token bucket algorithm,
Application Layer [5L]
Introduction to DNS, SMTP, SNMP, FTP, HTTP & WWW; Security: Cryptography (Public, Private Key based), Digital Signature, Firewalls.
Modern topics: [5L]
ISDN services & ATM, DSL technology, Cable Modem: Architecture & Operation in brief
Wireless LAN: IEEE 802.11, Introduction to blue-tooth.
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