CSEN 5323 Computer Communication Networks Fall Semester, 2014 Overview Instructor: Dr. Ashraf Yaseen 08/26/2014 Department of Electrical Engineering & Computer Science

Outline Course Administration Course Overview

Administrivia Class Website Blackboard http://www.cs.odu.edu/~ayaseen Syllabus: Class Policy Class Notes: Posted before class, Read notes before class Assignments: Pay attention to the due dates Announcements, clarifications, FAQs posted Blackboard Posting grades Sending out emails to class

Administrivia-cont. E-Mail Instructor: Ashraf Yaseen ashraf.yaseen@tamuk.edu Instructor: Ashraf Yaseen Office location: EC, 263 Office hours: MW: 12-2pm, 3-5pm. T: 4-5pm. F: 12-1pm by appointment Office phone: TBA

Administrivia-cont. Textbook Reference “Computer Networking: A Top-Down Approach Featuring the Internet”, 6th edition, by James F. Kurose and Keith W. Ross, Addison Wesley, 2012. ISBN: 9780132856201. http://kuroseross.com/ Reference W. Stallings, "Data and Computer Communications", Upper Saddle River, NJ: Prentice Hall, 2011.

Administrivia-cont. Grading Policy Late Assignment Policy 0~24 hrs: -10% 24~48 hrs: -20% >48 hrs: grade = 0 Class participation and presentation quality will also impact final grade Activities/ Evaluation Methods Number Percentages Midterm Exam 1 30% Assignment/Lab 6 Report/Presentation 10% Final Exam Total 100% >=90% A Excellent 80-89% B Very Good 70-79% C Good 60-69% D Failed <60% F

Honor Code The Honor Code applies to your conduct in this course. If you have questions, talk to me HOMEWORK: All submitted work must be your own Do not copy another student’s work Do discuss material and homework with classmates, professor EXAMS: Do not give assistance to or receive assistance from anyone but professor Violations of this Code are treated seriously Evidence of cheating, plagiarism, or unauthorized collaboration will result in a 0 grade for quiz/assignment/exam May have further consequences The honor code applies to your conduct in this course. Essentially, submit…

How to get help? Ask questions in class (or after class) Attend office hours Email me Make sure that you put “CSEN5323” in your subject line Send it from your .edu account It wouldn’t come to my spam folder State clearly what you need in your email

How to Get an A in this Class Attendance Attend class regularly and on time Ask questions Work on in-class exercises and assignments Notes Read over class notes before class Review class notes after class Homework Get started as early as possible Contact me if you encounter problems

What You Will Learn How does the web work? How does a client find a random web server? How does a request make its way from a web browser to a web server and how does the reply makes it back? How is it that all data transmitted arrives intact and in order? How insecure is the connection and how secure is a secure connection?

What You Will Learn-cont. Why do we get the level of performance that we do? How do the millions of web requests and responses that transit the TAMUK campus network every second share the capacity of the network? Can one control or even improve the performance of their network connections?

Topics Introduction and terminology Application-level protocols HTTP, FTP, SMTP (e-mail), and the Domain Name System (DNS) Transport layer & protocols TCP and UDP Congestion control principles and algorithms Socket programming and client/server computing Network layer and Protocol The Internet Protocol IP and Internet routing architecture and algorithms Link Layer: Links, Access Networks, and LANs Wireless and Mobile Networks Security in Computer Networks Network Management

Greater Expectations Class Attendance & Participation: mandatory In-Class exercises/discussion questions Solidify your understanding Help gauge your understanding Increase interactivity (reduce boredom) You are expected to try your best in class By attending, you work less out class. If you miss class, you are responsible for learning what you missed

Greater Expectations-cont. Arrive on time to class your grade will be affected if you are consistently late If you are absent, first check the course webpage for missed notes and/or assignments Don't come ask me, “Did I miss anything important?” The answer is “Yes!”

Greater Expectations-cont. Student Presentations: Prepare/practice and cover all material clearly and concisely (set time limit) Refresh/integrate course material before exams Student explanation benefits audience, presenter Practice: presentation skills are a key to success Submitted work: neat, complete, well-organized logic, programming, math: clearly show steps towards solution, comment programs Explanatory paragraphs: thoughtful, legible, grammatical, full sentences

Greater Expectations-cont. Behave and perform in a professional manner Be punctual, dress appropriately and be attentive Respect the rights of all participants by turning off any device that could cause a disturbance during class (this includes pagers, cell phones, personal alarms and music players). Negative behavior patterns in class (e.g. unexcused absences, tardiness, and class disruptions, wearing hats, eating, drinking, smoking and sleeping) will be treated seriously could result in a reduction of a student’s final grade.

While in Class, No Facebook No Cell phone No Music players No Topic unrelated to class. No Sleep No Food No bad jokes

About Me Bachelor’s from JUST (Jordan University of Science & Technology) Master’s from NYiT (New York Institute of Technology) Ph.D. from ODU (Old Dominion University) My Research Computational Biology High Performance Computing

How about you? Tell us your name and year In a few sentences, tell us about you, e.g. Where are you from? What is your major? Career plans or after-college plans? Favorite hobby, sport? Something interesting about yourself Expectation in this class

What I want you to do Get started early! Review Chapter 1 and Class Slides Enjoy your new semester