CIS3390-01 Networking I Fall 2011: Recent Episodes

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Dijkstra's Algorithm

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IP Addressing and Subnetting

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Conclusion of IP Addressing and Subnetting

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IP Addressing, Subnet concepts, Class-based addressing.

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Introduction to the Network Layer. Routing, forwarding.

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TCP Homework Review, Socket Programming

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TCP Flow Control and Congestion Control

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TCP in action.

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TCP: Sequence and Acknowledgement numbers, header fields, estimated RTT and timeout calculations, fast retransmit.

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Pipelineing: Go-Back-N and Selective Repeat, Overview of TCP.

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Reliability: NAK-free protocol, dealing with loss as well as errors. Utilization and pipelining.

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Reliable transport with perfect underlying channel, with ACKs/NAKs, Sequence Numbers.

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Delay HW Review, UDP, Reliable delivery principles.

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Multiplexing, port numbers, available transport-layer services.

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Using nslookup, DNS record types and queries.

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Domain Name System concepts

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E-mail systems and protocols: SMTP, POP3, IMAP. HTTP front-ends to e-mail systems. Message formats and base64 encoding.

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HTTP cookies, caching, proxy servers. E-Mail system components and processing overview.

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HTTP Conditional GET, retrieving large objects, embedded objects, authentication.

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Introduction to WireShark, packet captures, filters. Simple HTTP request/response analysis.

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Overview of HTTP request and response messages.

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Introduction to the Application Layer. Client-server and peer-to-peer architectures. Transport layer services.

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Circuit Switching vs. Packet Switching. Frequency Division Multiplexing and Time Division Multiplexing. Delay components and calculations.

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Transport layer protocols (TCP & UDP), Guided/Unguided Media, Digression on electromagnetic interference, Circuit switching.

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Brief history of the Internet. What makes up the Internet? What is a protocol? We look at the composition of the Internet from a "nuts & bolts" view and a service view.