Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Internet/WWW Web Browsers Internet Explorer Netscape Navigator Netscape Explorer Viewing HTML code HTML – Hypertext Markup Language Viewing HTML code can help you learn more about how to create web sites. You can copy HTML code from any site on the internet, modify it and create your own site. Software exists to allow you to build a web page w/o knowing HTML (Geocities, Web Page Builder) How to View HTML code Internet Explorer: View - Source OR Right-click and choose View Source Netscape Navigator View - Page Source OR Right-click and choose View Page Source Using Search Engines Search Engines are the “Yellow Pages” of the Web Type in any key words and the search engine will find web pages with those key words in them Examples: www.yahoo.com www.lycos.com www.iwon.com www.netscape.com Business use of the Web Products Information Marketing Customer Support Low-cost alternative to: Fax Express-mail Provide employees access to company information and systems Intranet Internal corporate network Built using Internet and WWW standards Employees can access information and applications Extranet A network that links specific parts of an Intranet to outside customers, business partners, etc. Built using Internet and WWW standards Security concerns: Authentication Information is protected Internet/Intranet/Extranet VPN – Virtual Private Network VPN – secure connection between two points on the Internet Uses Tunneling - Encapsulate data in an IP packet that is sent over the internet. VPNs are usually provided by ISPs Firewall Sits between the internal network of a company and the Internet. Limits access into and out of the network based on a set of rules (policy) VPN Internet Issues – who owns it? Who owns the Internet??? Who manages the Internet??? Government provided early funding and direction but does not own or manage it Internet Society/Internet Activities Board: Manage protocols Foster growth Universities/Govt agencies investigate how Internet content can be controlled. Internet Issues – Service Bottlenecks Internet traffic increases every day Companies underestimate computing power needed to service all requests Phone lines and slow modems Poor ISP service Routers get overloaded and lose packets Bottleneck Solutions New transmission technologies Improve routers Prioritize traffic Internet Issues – Privacy Cookie - file created on your hard drive by a web site you visit Companies can track actions you take on their site Browsers allow you to prevent cookies from being created Cryptography: Encryption – converts text to “unreadable form” Decryption – converts it back to std text form Both sender and receiver use a electronic key to “lock” and “unlock” the data E-Commerce Electronic Commerce Conducting business activities using electronic means B2C (Business to Consumer) – customers deal directly with a business B2B (Business to Business) – businesses sell products/services to other businesses Expected to grow faster then B2C E-Commerce Applications Retail Marketing Market segmentation Investment/Finance Buy products on-line (Jcrew, Office Depot, etc.) Sell wholesale to other companies On-line stock trading On-line banking Auctions E-Commerce Technology Poor web-site performance loses customers Hardware Server Software Web Page Construction Software Apache HTTP Server, Microsoft Internet Information Server Dynamic – information on page varies based on user requests Static – web page does not change E-commerce Software Paying on-line Credit Card, Charge Card, Debit Card Smart Card Contains a microchip that has memory and processing capability Financial, health, credit card, id/pwd Reader attached to pc