1. Understanding data communications Taekyoung Kwon tkkwon@snu.ac.kr 880-9105

2. Attendance check –Email –Mobile phone number –Advisor

3. Overview goals of this class –Understand the insight and lessons from the current Internet technology –Identify the current Internet problems –Present and discuss the pros and cons of the state-of-the-art proposals to solve them –Propose a new scheme and compare with the related work reference materials –related papers –other documents (e.g. standardization documents)

4. overview Lectures –Internet architecture, delivery performance, wireless/mobile Term project –Two presentations Related work and your proposal –mentor Pre-requisite –Data communications, Computer network, or equivalent courses

5. Tentative list of lectures Internet –Current Internet problems –Routing scalability –Mobility –Security –Content networking Wireless networks –PHY layer –MAC layer –Networking layer –Transport layer Tutorial: OpenFlow, PlanetLab, GT-ITM, ns-3

6. evaluation 20%: mid-term exam 20%: final exam 10%: 1 st presentation 30%: 2 nd presentation 20%: attendance –Two latenesses will be counted as one absence –I will try my best to start every class 11am, sharp

7. administrivia Classroom: 302-209 Time: Tue. and Thu., 11:00am – 12:15pm TA: –Donghyun Kim dhkim@mmlab.snu.ac.kr Office 138-317 phone 876-7170 Slides and announcements –http://mmlab.snu.ac.kr/courses/2013_data_comm/ –Id: –Passwd:

8. No cheating Zero Tolerance Cheating Policy Cheating in this class is defined as knowingly or unknowingly participating in the submission of unoriginal work for any test. –Answer to roll-call on behalf of another guy is also cheating If I find out that a student has cheated –Assign a fail grade to the student –Dismiss the student for the remainder of the class

9. Term project First, make a team –One or two persons for each team –There may be a mentor Second, find a problem –Should be relevant to topics of this course –Read papers in the literature E.g. IEEE Xplore, ACM DL –Select one or two papers (that will be the reference solution) Third, give a presentation –One related paper for each member

10. Term project Fourth, explore new ideas –1 st project meeting Fifth, evaluate the proposed idea(s) –Compare yours with the reference solution Each member has her own idea –Try to identify both strengths and weaknesses –2 nd project meeting Last, project presentation