Dijkstra's Algorithm

IP Addressing and Subnetting

Conclusion of IP Addressing and Subnetting

IP Addressing, Subnet concepts, Class-based addressing.

Introduction to the Network Layer. Routing, forwarding.

TCP Homework Review, Socket Programming

TCP Flow Control and Congestion Control

TCP in action.

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

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

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

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

Delay HW Review, UDP, Reliable delivery principles.

Multiplexing, port numbers, available transport-layer services.

Using nslookup, DNS record types and queries.

Domain Name System concepts

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

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

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

Overview of HTTP request and response messages.

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

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

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

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.