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CNT 4704Analysis of Computer

Communication Networks

Cliff ZouDepartment of Electrical Engineering

and Computer ScienceUniversity of Central Florida

Fall 2015

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About my self Office: HEC 243 Tel: 407-823-5015 czou@cs.ucf.edu Office hour:Monday/Wednesday 10:15pm – 11:45pm Course webpage:

http://www.cs.ucf.edu/~czou/CNT4704-15 UCF Panopto for online lecture video streaming

Webcourse has a link and Syllabus Each lecture will be posted several hours after a class

Use Webcourse@UCF for homework assignment and grading Keeping grade private Easy homework submission Having a simple BBS channel

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What is this course about?

Basic “analysis” (don’t be scared by the course’s official name)

Introductory course in “computer networking” Focus on Internet architecture/protocols

TCP/IP, 2 networking programming projects Several lab assignments (fun, real) Email (spam), Web. Ethernet, hub, wireless LAN One chapter on Internet security introduction

Newly added content (not in textbook): Cellular and mobile technologies Wireless security

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Course information Prerequisites:

Basic knowledge on Algorithms and Operating Systems C or C++ programming skills Basic usage of Linux

Eustics account for networking programming

Course materials: Text: Computer Networking: A Top Down

Approach Featuring the Internet, J. Kurose & K. Ross, Addison Wesley, 6th ed., 2013

Previous editions (4th,5th) would also be fine

Textbook online resource (see first page) Class notes

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Course information (more)

The final grade will use +/- policy, i.e., you may get A, A-, B+, B, B- … grade.

Because this class has online session, the two exams are open book and similar to all regular homework assignments, except that they have a 24-hour submission constraint.

Workload:Coursework Approximate amount approximate percentage  

Written homework 2 24%  

Programming projects 2 26%

Lab assignments 3 21%

Midterm exam 1 14%

Final exam 1 15%

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Course information (even more)

In-class style: interaction, questions Real network programming (fun) Hands on experience: packet trace, email spam,

Wifi attack…

Flexible: Teaching difficulty/speed/contents based on your

feedback So pleaseplease tell me freely your thinking and interests!

Academic honesty

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A top-down approach:

We’ll cover networking top-down

End-system applications, end-end transport

Network core: routing, hooking nets together

Link-level protocols, e.g., Ethernet

Other interesting stuff: Security wireless

regional ISPlocal ISP

company network

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Course Overview:

Part 1: Introduction (text: Chapter 1) What is the Internet?

Application Application

Network Network

Data Link

Transport Transport

Data Link

Physical link

Web, Email, VOIP

TCP, UDP

IP

Ethernet, cellular

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Course Overview:

Part 2: Application Layer (text: Ch. 2) Principles of application-layer protocols World Wide Web: HTTP Electronic mail: Email The Internet's directory service: DNS Socket programming PROGRAMMING ASSIGNMENT 1

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Course Overview:

Part 3: Transport Layer (text Ch. 3) Transport-layer services and principles Connectionless transport: UDP Principles of reliable of data transfer TCP case study PROGRAMMING ASSIGNMENT 2 on realizing

TCP reliable data transmission based on a simulator

TCP congestion control

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Course Overview:

Part 4: Network Layer (text: Ch. 4) what’s inside a router? routing principles (algorithms) hierarchical routing IPIP: the Internet Protocol Internet routing: RIP, OSPF, BGP

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Course Overview:

Part 5: Link Layer, Local Area Networks (text: Ch. 5)

introduction, services error detection, correction (CRC code) multiple access protocols, LANs LAN addresses, ARP Ethernet

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Course Overview:Part 6: Cellular, Wireless and Mobile technologies Extension of Chapter 6 Overview of smart phone technologies Overview of IOS and Andriod operating systems Mobile protocols Mobile logical channel descriptions, registration procedures, encryptions standards Mobile identifiers, and Location-based Services

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Course Overview:

Part 7: Wireless security and Network Security (extension of Chapter 8)

what is network security? Introduction of cryptography

Classical and modern cryptography Public key cryptography and its applications

Cellular network vulnerabilities and security protocols

Wifi vulnerabilities and security protocols

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Summary

Introductory, practical Know basic networking programming All (almost) you need to know about

Internet, and applications

Many acronyms, don’t be frustrated If you don’t know an acronym, just google it Wikipedia is a great resource to learn!