Chapter1_2008 - Introduction 1-1 COMP 561 “Computer...

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Unformatted text preview: Introduction 1-1 COMP 561: “Computer Networks” Qian Zhang Fall 2008 HKUST Introduction 1-2 Course Info ¡ Instructor: Qian Zhang www.cs.ust.hk/~qianzh ¡ Course web site http://www.cse.ust.hk/~qianzh/COMP561- Fall2008/index.html contains all notes, announcements, etc. Check it regularly! ¡ Lecture schedule ¢ Tuesday/Thursday 15:00-16:20 Rm 4503 Introduction 1-3 Course Info ¡ Textbook: James Kurose and Keith Ross ¢ Computer Networking: A Top Down Approach, 4 th ed. Addison Wesley, 2007 ¢ http://wps.aw.com/aw_kurose_network_4/ with useful resource material ¡ The reading materials online for paper reading and reviewing ¡ Experience networking research through team projects (1- 2 students) ¢ Understand what is good research ¢ Hands-on experience in networking research ¢ Appreciate team work / collaborations ¢ Survey oriented (own idea is encouraged) Introduction 1-4 Course Info ¡ Grading scheme ¢ Homework (2) 30 points ¢ Project (1) 10 points ¢ Paper review 10 points ¢ Final Exam 50 points ¡ Paper review ¢ Everyone reviews 1 paper ¢ Email me ids of 3 papers that you’d like to review by Sept. 26 ¢ Submit the review for one paper of your choice before final exam (1 page) Introduction 1-5 Course Schedule ¡ Introduction of computer networking ¡ Application layer ¡ Transport layer ¡ Networking layer ¡ Link layer and local area networks ¡ Mobile and wireless computing ¡ Multimedia networking Introduction 1-6 Chapter 1 Introduction Computer Networking: A Top Down Approach , 4 th edition. Jim Kurose, Keith Ross Addison-Wesley, July 2007. A note on the use of these ppt slides: The notes used in this course are substantially based on powerpoint slides developed and copyrighted by J.F. Kurose and K.W. Ross, 2007 Introduction 1-7 Chapter 1: Introduction Our goal: Overview: ¡ Get “feel” and terminology ¡ More depth, detail later in course ¡ Approach: ¢ use Internet as example ¡ What’s the Internet? ¡ What’s a protocol? ¡ Network edge; hosts, access net, physical media ¡ Network core: packet/circuit switching, Internet structure ¡ Performance: loss, delay, throughput ¡ Security ¡ Protocol layers, service models ¡ History Introduction 1-8 Chapter 1: roadmap 1.1 What is the Internet? 1.2 Network edge ¡ End systems, access networks, links 1.3 Network core ¡ Circuit switching, packet switching, network structure 1.4 Delay, loss and throughput in packet-switched networks 1.5 Protocol layers, service models 1.6 Networks under attack: security 1.7 History Introduction 1-9 hat’s the Internet: “nuts and bolts” view ¡ Millions of connected computing devices: hosts = end systems ¢ Running network apps Home network Institutional network Mobile network Global ISP Regional ISP router PC server wireless laptop cellular handheld wired links access points ¡ Communication links ¢ Fiber, copper, radio, satellite ¢ Transmission rate = bandwidth ¡ Routers: forward packets (chunks of data) Introduction 1-10 hat’s the Internet: “nuts and bolts” view...
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This note was uploaded on 11/28/2011 for the course COMPUTER S 561 taught by Professor Qianzhang during the Spring '11 term at King Saud University.

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Chapter1_2008 - Introduction 1-1 COMP 561 “Computer...

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