Syllabus - ES1 – 2. COMPUTER NETWORKS

ES1 – 2.   COMPUTER NETWORKS

                     (4 Hours – 5 Credits)

Unit I

Data communication : characteristics and components – Networks: Distributed processing,  Network criteria,  applications.   Protocols and standards and standard organizations.   Line configurations,  Topologies,  Network classifications .  OSI reference model: Layers and Functions.   TCP/IP Layers

Unit II

Transmission Media: Guided media – Twisted pair,  Coaxial cable,  optical fibers.   Unguided media - Microwave,  Satellite,  Cellular telephony - Transmission impairment types - Performance features.   Errors: types,  Detection techniques Vertical and Longitudinal redundancy checks,  CRC,  Checksum

Unit III

Datalink Control – Line Discipline – Flow Control – stop and wait,  Sliding Window flow controls Error control using different ARQ techniques.   Datalink Protocols: Character oriented protocol: BSC,  Bit oriented protocol: HDLC. 

Unit IV

Local Area Networks: Project 802 – layers,  PDU formats.   Ethernet – CSMA/CD Access methos,  Ethernet MAC frame structure,  Thick and thin Ethernet implementation.  .   Switched and Fast Ethernet.   Token BUS,  Token Ring,  FDDI

Unit V

Switching: Circuit and Packet switching.    ISDN: Services,  Evolution,  Channel types and uses,  User interfaces,  Functional Groupings and reference points.   ISDN layers and functions of layers,  Broadband ISDN. 

Text Book

1.   Data Communications and Networking,  Behrous A.   Forouzan,  Tata McGraw-Hill Edition  2007,       Chapters: 1,  2,  3,  7,   9.  1-9.  6,  10,  11.  3,  11.  4,  12,  14,  16

Reference Books

   

1.  Data Communications and Computer NetWorks,  Brijendra Singh,  Prentice-Hall   of

   India Pvt.  Ltd,  New Delhi,  2^nd edition,  2007. 

2.   Computer Networks – A.   Tananbaum,  Pearson Education Asia,  Prentice

      Hall India 2007

3.   Data and Computer communications – William Stallings Pearson Education Asia,   

      2007