6 IT 2-COMPUTER NETWORKS |
Units: I |
Network, Network Protocols, Edge, Access Networks and Physical Media, Protocol
Layers and their services models, Internet Backbones, NAP’s and ISPs.
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Units: II |
Application Layer: Protocol and Service 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 Message. |
Units: III |
Transport Layer: Transport Layer Service and Principles, Multiplexing and
Demultiplexing applications, connectionless 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 acknowledgement numbers, Telnet, Round trip time and
timeout. TCP connection management.
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Units: IV |
Network Layer and Routing: Network service model, Routing principles. Link State
routing Algorithm, A distant Vector routing & OSPF algorithm. Router Components;
Input Prot, Switching fabric and output port. IPV6 Packet format. 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 (NCP).
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Units: V |
Sonet/SDH:Synchronous Transport Signals. Physical configuration-SONET
Devices, Sections, Lines and Paths. SONET Layers-Photonic Layer, section layer,
line layer, path layer and device layer relationship. Sonnet Frame format. Section
overhead, Line overhead and path overhead. Virtual Tributaries and types of VTs.
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