The Internet and the WWW: Connecting and Communicating Nanda Ganesan, Ph.D.

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Presentation transcript:

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

END

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