Purpose of the presentation ¢ The purpose of this presentation is to show you basic information and basic definitions on what Intranet and Extranet is and what are the advantages and disadvantages of using Intranet or Extranet. The purpose of this presentation is to also show the audience where you can get Intranet and Extranet and what are the ranges in cost that you can purchase them.

Intranet & Extranet An intranet is an internal company network that uses the Internet standards of HTML (HyperText markup Language) and HTTP (HyperText Transfer Protocol) and the TCP/IP (Transmission Control Protocol/Internet Protocol) communications protocol along with a graphical Web browser to support business applications and provide departmental, interdepartmental, and companywide communications solutions. An extranet is a collaborative network that links multiple intranets. For example, an extranet may link the intranets of a producer and a supplier. The intranets may link across the Internet (using a security protocol) or through privately owned or leased lines.

Intranet/Extranet E This picture shows a collection of computers forming an intranet. These computers are linked into the intranet and can only communicate with each other. The intranet may sometimes be connected to the outside world via a firewall. This allows protected access to the rest of the internet world wide.

Intranet & Extranet work together

Intranet or Internet:Whats the Difference? * Whats the difference? The Intranet is essentially a private Internet operating on your companys internal network. Intranets exploit the incredibly popular and low-cost Internet tools to gain strategic advantage over competitors, cut costs, and improve operational effectiveness… An Intranet typically has three features lacking on the Internet: ¬ Speed - broad bandwidth ­ Security - private internal network (LAN/WAN) ­ Control - Enterprise network management to ensure reliability

How much does an Intranet cost? ã Server (120MHz Pentium,32Mb Ram, 2Gb HD) ã Network server ã Communications server ã HTML editor ã Graphics editor ã Search engine ã Imagemap editor ã Total Cost Ø $3300 Ø $700 Ø $495 Ø $195 Ø $69 Ø0Ø0 Ø0Ø0 Ø $4759

Intranet in business world Ê Access manuals,procedures Ë Post personal Web pages Ì Access product and marketing data Í Post internal job offerings Î Revise and approve documents Ï Access employee information Ð Schedules,calendars,timelines Ñ Access existing databases

Extranet in business world ¶ Project management tools for companies and collaborating third parties. · Sharing proprietary ideas with select a select group ¸ Online training for resellers ¹ A way of using high volumes of data using Electronic Data Interchange (EDI) º Sharing product catalogs and inventory levels exclusively partners » Collaborating with other companies on joint development efforts ¼ Providing services offered by one company to a group of other companies, such as an online banking application managed by one company on behalf of affiliated banks ½ Share news of common interest exclusively with partner companies

How Intranets can be used Educationally? 4 Publishing 4 Communication 4 Interaction

Who uses Intranet? ë Kraft Foods Inc. ë Douglas Aircraft ë Amoco ë Saab ë 3 M ë Motorola ë Genentech ë Compaq computer ë Silicon Graphies ë AT&T ë HBO ë Ford Motor co. ë Tyson Foods

Who uses Extranet? ë Chevron Global ë ALCOA ë Boeing ë Harley-Davidson ë Saab Cars USA ë Toyota USA ë US Surgical ë General Electric ë Epic Records ë Warner/Chappell ë Nabisco ë Nestle USA ë Lockheed Martin Corp ë Raytheon ë Pharmark ë Mergers and Acquisitions

Advantages of an Intranet P Inexpensive (Not Expensive) P Easier to keep users up to date P Effective use of distributed computer resources P Easy to train users P Add-on applications including multimedia available P Expected growth is 4 times that of Internet itself

Disadvantages of an Intranet 6 Aquiring : – navigation is difficult: structure, layout, naming – corporate wide web can be too slow – printer can have a large queue – steep learning curve – no guarantee that all information is found 6 Processing: – paper is easier to scan – online manipulation of data often too slow – no support for annotations – documents have no end; focus on acquiring can harm processing 6 Understanding: – overview is easily lost 6 Remembering: 6 Formulating: – information on paper has to be rewritten – multilevel, associative formulation is difficult

Advantages of an Extranet P Familiar Internet Tools and Interface P Increased communication P Real-time transaction recording P Reduced hardware costs P Rapid Development P Flexibility P Authentication / Certificates P Just-in-Time information P Lower printing and processing costs

Disadvantages of an Extranet 6 Lack of standards and best-known practices 6 Control and maintenance of network 6 Data Ownership 6 Security 6 External break-ins, and 6 Permissions

Future of Intranet & Extranet ` The future for Internet/Intranet/Extranet technologies is limitless. Its open architecture and ease of use make it one of the biggest use in the market today. With companies like Netscape, Oracle, and Sun forming alliances to insure that their applications and security procedures will operate over Extranets. There are also many other companies pushing toward standards for Extranet applications. What we have seen so far is just the beginning... According to a recent research survey of 50 Fortune 1000 network managers, 54% of the companies plan to use Extranets for partner communication and 66% for transactions in the next two years. The study predicts that US business to business transactions will grow from 4.3 million in 1997 to over 120 million in This software consists of on-demand applications that run across networks and operating systems, and is based entirely on open Internet standards like HTML, Java, and JavaScript. These features and trends represent key building blocks of Extranets and Networked Enterprises

10 Intranet Myths

You know what?!

End Slide è We hope you have learned something about Intranet and Extranet. If you want more information on how to use Intranet or Extranet speak to Xheladin or Ivan for more information. You can find these people at Etobicoke Collegiate Institute Mondays through Fridays at time of the week.