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The Internet and the WWW: Connecting and Communicating Nanda Ganesan, Ph.D.
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History and Structure ARPANET –Department of defense Collection of networks of computers –Client –Server World Wide Web Consortium (W3C) managed
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Consumer Internet Ramps Cable DSL FTTP Fiber Wi-Max Fixed wireless Wi-Fi Cellular radio network Satellite
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Business Internet Ramps T1-T3 OC1, OC3 etc. ATM
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OC Speeds http://searchnetworking.techtarget.com/definition/Optical-Carrier-levels-OCx
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Access Providers Internet Service Providers Online Access Providers Wireless Internet Service Providers
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4g and 3g http://www.pcmag.com/article2/0,2817,2 399984,00.asphttp://www.pcmag.com/article2/0,2817,2 399984,00.asp
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Internet Backbone High speed network http://computer.howstuffworks.com/inter net/basics/internet- infrastructure4.htm/printablehttp://computer.howstuffworks.com/inter net/basics/internet- infrastructure4.htm/printable
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From the Article POP,ISP,NAP Backbone Router, Switch Internet Protocol IP Address IP DNS URL Clients and servers Protocols and ports
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Internet Address IP address Doman name DNS translation
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IP Commands Ping command IPconfig command
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IPConfig Understanding the output from ipconfig/ all –IP address –Host name –Domain name –Full name –MAC address –DNS, DHCP etc.
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Domains Top level domains Domain registration example –Godaddy.com Domain identification –Whois.com database
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Top Level Domain
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Create Your Own Domain Example:.csula –Requires $180,000 (2011 price) –Need to demonstrate the ability to maintain a DNS server locally Sample addresses: –cis.csula
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Worldwide Web Web servers Web sites Web pages Home page
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Web Technologies Web 1.0 –Download only Web 2.0 –Upload and download –Technology that gave birth to social media Web 3.0 ??
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Web Addresses URL –Protocol –Domain –Path –Web page
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Web Address
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Browsers/Search Engines Firefox IE Edge Google Bing Yahoo Dogpile Etc.
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Some More Search Engines
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Types of Websites Portal News Blogs Wikis Etc.
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Social Networking Twitter, Facebook, LinkedIn etc. Creating your LinkedIn profile
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Multimedia on the Website Text Image –jpg, gif, png Video –mp4 Audio –mp4
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Hosting Multimedia Audio and video –Compression and streaming Image –Compression
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Video Formats.avi –Raw file format.mp4 –Compressed and streaming file format.wmv –Compressed and streaming file format
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Audio Formats.wav –Raw file format.mp3 –Compressed file format.mp4 –Compressed and streaming file format.wma –Compressed and streaming file format
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Image Format.jpg –Web usage.gif –Web usage Png –Web usage.bmp –Raw file format
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Plug-ins
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Managing Plug-ins Plug-ins in browsers –An example
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Creating a Website Plan a Web site Analyze and design a Web site Create a Web site Deploy a Web site Maintain a Web site
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E-Commerce Websites on the Web E-commerce Business- to- consumer (B2C) Consume r-to- consumer (C2C) Business- to- business (B2B)
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Other Internet Services Email Instant messages Chat rooms VOIP FTP
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Net Etiquette
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Some Enterprise Computing Applications Enterprise Requirements Planning (ERP) –SAP –PeopleSoft –Dynamics Business Intelligence Business Data Analytics More to follow in a later chapter
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Cloud Computing Hardware and software as a service concept –Amazon EC2 –Microsoft Azure –Google Apps
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