7EE6.2 COMPUTER NETWORKS
 

1. INTRODUCTION: Uses of computer networks, network hardware network software, Reference Models, Example networks, Example Data communication services and Network standardization.

2. PHYSICAL LAYER TRANSMISSION SYSTEM: The Theoretic basis for data communication-Fourier Analysis, Bandwidth Limited Signals, the maximum data rate of a channel. Transmission Media magnetic media, Twisted pair, Base band coaxial cable, Broadband coaxial cable and fiber optics. Wireless Transmission-The electronic spectrum, Radio transmission, microwave transmission, Infrared and Millimeter wave and light wave transmission. The Telephone system-structure of the telephone system. The politics of telephone the local loop, Trunks and multiplexing switching.

3. THE PHYSICAL LAYER ISDN: Narrow Band ISDN-ISDN service ISDN system Architecture. The ISDN interface and the perspective on N-ISDN. Broad band ISDN and ATM. Virtual circuit and circuit switching. Transmission in ATM Networks, ATM Switches.

4. THE PHYSICAL LAYER: RADIO AND SATELLITIES: Cellua Radio-Paging systems, cordless telephones, analog and digital cellular telephone, personal communication services. Communication satellites-Geosynchronous satellites, Low-orbit satellites, satellites versus fiber.

5. THE DATA LINK LAYER: Design Issues-services provided to the network layer, framing, error control and flow control issues error detection and correction-error-correcting codes and error detecting codes. Elementary data link protocols-unrestricted simple protocol, simple stop and wait protocols-one bit sliding window protocol, go bck to N protocol, selective repeat protocol, protocol specification and verification-Finite state machine models, petri Net Models. Example date link protocol-HDLC-High Level Data Link control, Data Link Layer in the Internet, Data Link Layer in ATM.

RECOMMENDED BOOKS:

1. Computer Network by Tanenaum, PHI

2. Data and computer communication by W.Stalling PHI