III B.E. (Computer Engg.)

VI SEMESTER

6CP4 COMPUTER NETWORKS

  1. COMPUTER NETWORKS AND THE INTERNET: What is Internet? Network Protocols, Network Edge. Access Networks and Physical Media. Protocol Layers and their service models, Internet Backbones, NAPs and ISPs.

  2. APPLICATION LAYER: Protocols and Services provided by Application Layer, Transport protocols. The world wide Web -HTTP, Message formats, User Server Interaction, and Web caches, FTP. Commands and replies. Electronic Mail. SMTP, Mail Message Formats and MIME and Mail Access Protocols, DNS -The Internet's Directory Service, DNS records and Messages.

  3. TRANSPORT LAYER: Transport -Layer services and Principles, Multiplexing and Demultiplexing applications, connection less Transport -UDP Segment Structure and UDP Checksum. Principles of Reliable Data Transfer –Go back to N and Selective Repeat. Connection Oriented Transport -TCP Connection and Segment Structure, Sequence Numbers and acknowledgment numbers, Telnet Round trip time and timeout. ICP connection management.

  4. NETWORK LAYER AND ROUTING:  Network Service Model. Routing Principles: Link State routing Algorithm, A distant Vector, counting & OSPF algorithm. Router Components: Input Port, Switching fabric and Output Port. IPV6 Packet Format.

  5. POINT -TO-POINT PROTOCOL (PPP): -Transition States, PPP Layers -Physical Layer and Data Link Layer. Link Control Protocols .LCP packets and options. Authentication PAP and CHAP. Network Control Protocol (NC-P).

  6. SONET /SDH: Synchronous Transport Signals. Physical configuration- SONET Devices, Sections, Lines at\d Paths. SONET Layers –Photonic Layer, Section Layer, Line Layer, Path Layer and Device –Layer Relationship. SONET Frame -frame format, Section overhead. Line overhead and Path overhead. Virtual Tributaries and Types of VTs.

 Recommended Books:

  1. J.F. Kurose and K. W. Ross -Computer Networking, Pearson Education Asia.

  2. B.A. Forouzan -Data Communicatons and Networking, Tata Mc-Graw Hill.

  3. Garcia and Widjaja -Communication Networks, Tata Mc-Graw Hill.