ECS152BXin Liu 1 ECS 152B Computer Networks Winter 2009 Prof. Xin Liu www.cs.ucdavis.edu/~liu/152B/W09/152B.htm.

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Presentation transcript:

ECS152BXin Liu 1 ECS 152B Computer Networks Winter 2009 Prof. Xin Liu

ECS152BXin Liu 2 Highlights prerequisites: ECS150 and ECS152A Class: TR 12:10-1:30PM, 105 Olson ; Discussion: M, 1:10 p.m.-2:00 p.m.; 168 Hoagland;

ECS152BXin Liu 3 Highlights Textbook –J. Kurose and K. Ross, Computer Networking: A Top- down approach featuring the Internet, Addison Wesley, 4 th edition.Computer Networking: A Top- down approach featuring the Internet TA: Xiaoling Qiu, TA office hour: Mon. 2-3 PM, 55 Kemper Hall –If needed, the office hour will be extended to 4pm. Instructor office hour: T 1:40-3:10PM 3013 EII or by appointment

ECS152BXin Liu 4 Grading Policy Grading –Projects 40% (2 projects) –Midterm 20% (one mid-term) –Homework 15% (2-3 sets) –Final 25% All homework and projects will be submitted online.

ECS152BXin Liu 5 All homework and lab assignments (except project 2) require individual efforts. Discussions are allowed, no copying allowed. Late policy –Full credit if on time –50% if within 24 hours –25% if within 48 hours –0 after 48 hours Regrading Policy –One week regrading period after grades returned to students Incomplete will not be granted –Unless proved emergency with filled emergency form Academic Integrity –Homework –Lab assignments

ECS152BXin Liu 6 Please include “ECS 152B” in your subject line, to me and to the TA. In most cases, 24-hour response. If your requests not responded, let me know.

ECS152BXin Liu 7 etiquettes UCD Etiquette > R U handing back midterms Th?

ECS152BXin Liu 8 Hi Gary, I was wondering if you are going to be handing back the midterm this week? Thanks, Shareen  It is also best to address your to one person, possibly cc to others.

ECS152BXin Liu 9 Good Grade Guideline Protocol stacks are rational –Understand, not memorize Active classroom participation Do your own homework and projects –Help you understand –Help you do well in exams Follow the textbook and notes Extra material covered in lectures

ECS152BXin Liu 10 Road Map 1. Introduction Computer Networks Overview Layered architecture 2. Networking Applications HyperText Transfer Protocol (HTTP) Web applications FTP Domain Name System (DNS) Peer-to-peer applications 3. Transport and IP Layer UDP and TCP TCP congestion control IP and routing

ECS152BXin Liu 11 Road Map 4. Wireless Networks –Cellular Networks –Wireless LAN –Ad hoc and Mesh Networks –Mobility Management 5. Multimedia Networking –Streaming video/audio –Real-time application protocols –Quality of Service 6. Network Security –Principle of Cryptography –Authentication and Integrity –Secure , secure TCP, IPsec, WEP 7. Social Networks - Current status and development - Network formation and evolution 8. Search - PageRank and its principle - Adsense - Search Engine Optimization

ECS152BXin Liu 12 Comments? I am constantly looking for ways to make this class better, more useful, more fun All comments/suggestions welcome. Anonymous if you like. Questions?