2 Introduction

2 Introduction - Introduction 1-1 Chapter 1 Introduction...

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Unformatted text preview: Introduction 1-1 Chapter 1 Introduction Computer Networking: A Top Down Approach , 5 th edition. Jim Kurose, Keith Ross Addison-Wesley, April 2009. A note on the use of these ppt slides: Were making these slides freely available to all (faculty, students, readers). Theyre 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: If you use these slides (e.g., in a class) in substantially unaltered form, that you mention their source (after all, wed like people to use our book!) 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 1996-2009 J.F Kurose and K.W. Ross, All Rights Reserved Introduction 1-2 Chapter 1: Introduction Our goal: get feel and terminology more depth, detail later in course approach: use Internet as example Overview: whats the Internet? whats 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 1-3 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 What is the Internet: an application view Communication School, work, family, friend, spam, etc. Commerce ebay, amazon, travel, shopping, banking, ad, etc. Entertainment Music, movie, news, blog, online game, social network, etc. Make Billionaires Google, amazon, yahoo, ebay, facebook, etc. Turing Award Vinton Cerf and Robert Kahn .... Introduction 1-5 Cool internet appliances Worlds 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 Web-enabled Fridge InterPlanetary Internet Acknowledgement: I. Akyildiz, Computer Networks, 2003 Sensory Internet Ack: http://www.greatduckisland.net/ Ack: I. Akyildiz, Infocom 2005 Wireless and Mobile Networks Source: http://compnetworking.about.com/library/graphics/basics_wirelessnetwork.jpg Vehicular Ad Hoc Networks Source: http://monet.postech.ac.kr/new2008/images/ introduction/image_vanet.gif Introduction 1-10 hats 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...
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This note was uploaded on 03/24/2011 for the course ECS 152a taught by Professor Ghoshal during the Fall '08 term at UC Davis.

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2 Introduction - Introduction 1-1 Chapter 1 Introduction...

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