Understanding data communications

Taekyoung Kwon

tkkwon@snu.ac.kr

880-9105

• Attendance check– Email– Mobile phone number– Advisor

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)

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

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

evaluation

• 20%: mid-term exam

• 20%: final exam

• 10%: 1st presentation

• 30%: 2nd presentation

• 20%: attendance

– Two latenesses will be counted as one absence

– I will try my best to start every class 11am, sharp

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:

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

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

Term project

• Fourth, explore new ideas– 1st 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

– 2nd project meeting

• Last, project presentation