| Week 1 Fundamentals |
Introduction. Syllabus. The Internet and its components, multiplexing, virtual circuits and packetization, latency, bandwidth, delay, layering. | KR: Ch. 1. | Week 2 Applications |
HTTP, FTP and email. The Domain Name System. Peer-to-peer applications. | KR: 2.1 - 2.6. | Week 3 Applications and the Transport API |
Understanding the needs of applications. API design. Socket programming with TCP and UDP. | KR: 2.7 - 2.8 |
| Week 4 Transport Layer |
Transport layer services. Multiplexing and demultiplexing. Connectionless transport via UDP. Motivation for reliabilty and congestion control. | KR 3.1 - 3.3. | |
| Week 5 TCP Internals I |
TCP packet headers. TCP state diagram. TCP flow control and interface with the application. | KR 3.4 - 3.5. | |
| Week 6 TCP Internals II |
Better RTT estimation and setting timeout values (Jacobson, Karn & Partridge). Intro to TCP congestion control. Slow start vs. steady-state AIMD. Fast retransmit and fast recovery. Flow control vs. congestion control. | KR 3.6 - 3.7 | |
| Week 7 Network Layer (short week) |
What's in a router. The IP protocol: objectives, packet format, encapsulation, fragmentation and reassembly. | KR: 4.1 - 4.3 | |
| Week 8 Network Layer II + midterm |
ICMP, DHCP. Routing goals and concepts. In-class midterm. | KR: 4.3 - 4.4 | Week 9 Intra-Domain Routing I |
Answers to questions on the midterm. Review of graph data structures: adjacency matrix vs. adjacency lists. Link-state routing and Dijkstra's algorithm. Dijsktra's implementation issues. | KR: 4.5 - 4.6. | Week 10 Intra-Domain Routing II |
Distance-vector routing, routing loops, breaking loops. Split horizon and poison-reverse. Issues of scale in wide-area network routing. | KR: 4.7 - 4.8. | Week 11 Inter-Domain Routing |
Internet-wide routing via BGP. Multicast and broadcast routing. | KR: 4.7 - 4.8. | Week 12 Link-Layer I |
Framing. Multiple access issues and link-layer addressing. ARP, RARP. ALOHA. | KR 5.1 - 5.4 (partial coverage) |
Week 13 Link-Layer II (short week) |
Ethernet. Motivation for and performance analysis of Ethernet's CSMA/CD protocol. Ethernet checksum. PPP. | KR 5.5 - 5.8 (partial coverage) |
Week 14 Wireless and Mobility |
Wireless and WiFi (802.11). Collision avoidance with MACA(W).
RTS and CTS handshake.
Hidden and exposed node problems.
Wireless congestion control. Mobile IP.
Interactions between mobility, wireless and higher layer
protocols. | KR: 6.1 - 6.3, 6.5, 6.6, 6.8. |
Week 15 Real-time Apps |
Course overview in conjunction with real-time and multimedia applications and their network needs. intserv vs. diffserv approaches. | Selections from Chapter 7. |
| Final Exam |