Computer Communications and Networks

Channels and channel capacity; introduction to information theory; sharing network resources: telecommunication history; circuit switching and packet switching; multiplexing; FDM; TDM; statistical multiplexing; virtual circuits and datagrams; advantages and disadvantages; sharing the medium: Aloha; CSMA (persistent and non-persistent); CSMA-CD; token passing; CDMA; wireless LANs and simple performance analysis; dealing with errors: errors; coding and redundancy; hamming theory and codes; CRCs; ARQ protocols; CR selective retransmission and flow control; internetworking and the internet: ISPs; datagram forwarding; the DNS; IPv4; addressing and forwarding; encapsulation and address resolution; TCP and UDP; ports and congestion controls; example applications; modelling data networks: services and protocols; layered architectures; the OSI 7-layer model; introduction to queue theory; physical media; LANs and bridging; WANs and point-to-point links; routing; addressing and routing in the internet; end-to-end communication in the internet; and application protocols.

Channels and channel capacity; introduction to information theory; sharing network resources: telecommunication history; circuit switching and packet switching; multiplexing; FDM; TDM; statistical multiplexing; virtual circuits and datagrams; advantages and disadvantages; sharing the medium: Aloha; CSMA (persistent and non-persistent); CSMA-CD; token passing; CDMA; wireless LANs and simple performance analysis; dealing with errors: errors; coding and redundancy; hamming theory and codes; CRCs; ARQ protocols; CR selective retransmission and flow control; internetworking and the internet: ISPs; datagram forwarding; the DNS; IPv4; addressing and forwarding; encapsulation and address resolution; TCP and UDP; ports and congestion controls; example applications; modelling data networks: services and protocols; layered architectures; the OSI 7-layer model; introduction to queue theory; physical media; LANs and bridging; WANs and point-to-point links; routing; addressing and routing in the internet; end-to-end communication in the internet; and application protocols; Cyber space technology: Cyber Crime; Cyber Security and models of Cyber Solution