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