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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.
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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.
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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.
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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.
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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).
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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:
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J.F. Kurose and K. W. Ross -Computer Networking,
Pearson Education Asia.
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B.A. Forouzan -Data Communicatons and Networking, Tata
Mc-Graw Hill.
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Garcia and Widjaja -Communication Networks, Tata Mc-Graw
Hill.
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