8EC1 COMPUTER NETWORKS

UNIT 1: QUEUING THEORY-

Pure birth, Pure death & Birth-death processes, Mathematical models for

M/M/1, M/M/8, M/M/m, M/M/1/K and M/M/m/m queues. Little’s formula. M/G/1 Queuing model basics.

UNIT 2: DATA LINK LAYER -

Packet & Circuit switching, OSI & TCP/IP Reference Models, Framing,

Simplex protocol, Simplex stop & wait protocol, Sliding window protocol, Go back N protocol, selective

repeat, HDLC, Data link layer in internet.

UNIT 3:

MEDIUM LAYER-

Static & dynamic channel allocation, Multiple Access Protocols: ALOHA,

slotted ALOHA, CSMA, Token Bus, Token Ring, FDDI, IEEE standards 802.2, 802.3 Hubs, Bridges,

Routers & Gateways.

UNIT 4: NETWORK LAYER-

Network layer Design issues.

Adaptive & Non-adaptive routing algorithms, Congestion control algorithms for TCP/IP networks,

Internetworking, Network layer in the Internet: IPv4 & IPv6 Protocols, OSPF and BGP.

TCP Protocol architecture.

UNIT 5: ATM NETWORKS-

Connection Oriented Networks: X.25, Frame Relay & ATM. ISDN system

architecture. Broadband ISDN. ATM Protocol architecture, Recognition Algorithm in ATM Networks,

Congestion control Algorithms.