Computer Networks - 21CS52

21CS52 Computer Networks

Module 1`

Introduction to networks: Network hardware, Network software, Reference models,
Physical Layer: Guided transmission media, Wireless transmission

Module 2

The Data link layer: Design issues of DLL, Error detection and correction, Elementary data link protocols, Sliding window protocols.
The medium access control sublayer: The channel allocation problem, Multiple access protocols.

Module 3

The Network Layer:
Network Layer Design Issues, Routing Algorithms, Congestion Control Algorithms, QoS.

Module 4

The Transport Layer: The Transport Service, Elements of transport protocols, Congestion control, The internet transport protocols.

Module 5

Application Layer: Principles of Network Applications, The Web and HTTP, Electronic Mail in the Internet, DNS—The Internet’s Directory Service.

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