IntroductionSpring2009

IntroductionSpring2009 - IEG 3310 Computer Networks Prof....

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Unformatted text preview: IEG 3310 Computer Networks Prof. Wing C. Lau wclau@ie.cuhk.edu.hk Spring Semester, 2009 Introduction 1-2 Acknowledgements b Many of the slides used in this course are adapted from: x “ An Engineering Approach to Computer Networking ” by S. Keshav http://www.cs.cornell.edu/skeshav/book/slides/index.html x “ Computer Networking: A Top-down approach featuring the Internet ” by James F. Kurose and Keith W. Ross 4th Edition, all material copyright 1996-2007, J.F Kurose and K.W. Ross, All Rights Reserved. x Nick McKeown, seminar notes, Stanford University. x “ Computer Networks -- A system approach ” by Peterson and Davie b All copyrights belong to the authors of the original material. Introduction 1-3 Chapter 1 Introduction C o m p u t e r N e t w o r k i n g : A T o p D o w n A p p r o a c h , 4 th edition. Jim Kurose, Keith Ross Addison-Wesley, July 2007. A note on the use of these ppt slides: We’re making these slides freely available to all (faculty, students, readers). They’re in PowerPoint form so you can add, modify, and delete slides (including this one) and slide content to suit your needs. They obviously represent a lot of work on our part. In return for use, we only ask the following: b If you use these slides (e.g., in a class) in substantially unaltered form, that you mention their source (after all, we’d like people to use our book!) b If you post any slides in substantially unaltered form on a www site, that you note that they are adapted from (or perhaps identical to) our slides, and note our copyright of this material. Thanks and enjoy! JFK/KWR All material copyright 1996-2007 J.F Kurose and K.W. Ross, All Rights Reserved Introduction 1-4 The Ubiquitous Internet b It is now the Dominant, de-facto standard for Global Data/ Computer Communications. b By July 2008, est. 571 million + computers connected by the Internet ( s o u r c e : h t t p : / / w w w . i s c . o r g / d s / h o s t s . h t m l ; h t t p : / / w w w . i s c . o r g / d s / h o s t - c o u n t - h i s t o r y . h t m l ) ; x 100%+ increase compared to July 2004 ; x Compared with 490 millions on July 2007. b Backbone links run at up to 10Gbps (OC768) speed. b Total volume of Worldwide Data traffic surpassed that of the Public Switched Telephone Networks ’ (PSTN) Voice traffic in Year 2000. x This is before the days of BT and YouTube ; b Soon, everyone who has a phone is likely to also have an email account x We probably own more email addresses than tel. numbers x Some telephone directories in the U.S. are planning to include email addresses in white pages Introduction 1-5 “Cool” internet appliances World’s smallest web server http://www-ccs.cs.umass.edu/~shri/iPic.html IP picture frame http://www.ceiva.com/ Web-enabled toaster + weather forecaster Internet phones QuickTime?and a decompressor are needed to see this picture....
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This note was uploaded on 12/08/2010 for the course IEG IEG3310 taught by Professor Wingc.lau during the Spring '10 term at CUHK.

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IntroductionSpring2009 - IEG 3310 Computer Networks Prof....

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