Class module 4- itm
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- 2. Business value of -4 Telecommunication DU LE O Networks M 2
- 3. The basics of doing business on the internet The Internet Revolution The business value of Internet, Intranet, Extranet 3
- 4. The Internet Revolution The Internet has become a global information superhighway Internet made up of Millions of smaller, private networks operating independent of, or in harmony with, each other 10 servers in 1991 to over 46 million today Sustained growth in excess of 1 million servers per month No central computer system No governing body Based on common standards 4
- 5. Internet Networking Technologies Internet networking technologies are being used as technology platform Web browser suites HTML Web page editors Network management software Firewalls Being applied in Internet, intranet, and extranet applications Reinforces previous move toward client/server networks based on open-systems architecture 5
- 6. The InTerneT Internet is the most influential development over the past two decades. It is derived from the concept of Internetworking, linking hundreds of individual networks all over the world. Frequently referred to as the “Net”. The Internet is a global network of computer networks linked together so that its users can share data resources. 6
- 7. The InTerneT The Internet provides instant and local access to an amazing number of organizations, individuals, and information resources. No one owns the Internet and it has no formal management organizations. Originally the Internet was an initiative sponsored by the Department of Defense to link its labs with American universities. The Internet does not have a central computer system. The Internet does not have a governing body. 7
- 8. The InTerneT A network of networks Popular uses E-mail Instant messaging Browsing the World Wide Web Newsgroups and chat rooms 8
- 9. The Internet (continued) The business value of the Internet 9
- 10. Internet2 Next generation of the Internet High-performance Different infrastructure than the current Internet Will not replace the current Internet In use at over 200 universities, scientific institutions, communications corporations May never become totally open Users are connected via Abilene, a backbone that supports throughput of 10 Gbps Infinite bandwidth 10
- 11. Internet Service Providers ISP A company that specializes in providing easy access to the Internet For a monthly fee, provides software, user name, password, and Internet access ISPs themselves are connected to one another through network access points One ISP can easily connect to another to obtain addresses of websites or user nodes 11
- 12. Major Internet Services • E-mail: Person-to-person messaging; document sharing • Usenet newsgroups: Discussion groups on electronic bulletin boards • LISTSERVs: Discussion groups using e-mail mailing list servers • Chatting and instant messaging: Interactive conversations 12 Table 8-6
- 13. Major Internet Services (Continued) • Telnet: Logging on to one computer system and doing work on another • FTP: Transferring files from computer to computer • World Wide Web: Retrieving, formatting, and displaying information (including text, audio, graphics, and video) using hypertext links 13
- 14. World Wide Web Web is the Internet systems for hypertext linking, allowing users to move from one Internet site to another. It is a system with universally accepted standards for storing, retrieving, formatting and displaying information. Web pages are online documents that feature clickable hypertext links that transport you to documents, graphics or other Web pages. Internet browser software's such as Netscape Navigator or Internet Explorer enable end users to surf the Web. 14
- 15. Anyone using a Web browser can access any of millions of Websites. To access a Web site the user must specify Uniform Resource Locator (URL) which is the address of a specific resource on the Internet. http stands for hypertext transport protocol, which is the communications standard to transfer pages on the Web. Web sites are created by Web masters. 15
- 16. Internet ApplIcAtIons Most popular Internet applications and uses E-mail Instant messaging Browsing the Web Newsgroups Chat rooms Publish opinions, subject matter, creative work Buy and sell Downloading (data, software, reports, pictures, 16 music, videos)
- 17. WhAt Are people doIng on the Internet? E-mail: You can use e-mail to communicate with your friends, to exchange messages. Surf: You can browse websites and resources for information, entertainment and e-commerce. Chatting: Allows two or more people who are simultaneously connected to the Internet to hold live, interactive conversations. (Ex: Yahoo! Messenger) 17
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- 19. WhAt Are the people doIng on the Internet? Discussion: Participating in discussions on thousands of topics. Download: Allows to transfer data files, software, articles, picture, music, video to your computer system. Buy and sell: Buying and selling via e-commerce retailers, wholesalers (Ex: E-bay). 19
- 20. WhAt Are the people doIng on the Internet? Search for information: Several companies have created directories of Web sites and their addresses, providing search tools for finding information. Another tools, called search engines can find Web sites. (Ex: Yahoo!, Google, Alta Vista). Play games, watch TV, conduct free phone calls, listen to radio, etc. 20
- 21. Business use of the Internet E-commerce is the major business use of the Internet. For marketing, sales and customer relationship management applications, applications in engineering and human resources. Enterprise communication and collaboration Forming new business partnerships Providing customer and vendor support 21
- 22. Searching and Finding Information on the Internet • The Internet lowers search costs • Search engines • Intelligent agents and shopping bots • Broadcast and push technology • The semantic Web 22
- 23. Business Use of the Internet 23
- 24. IntrAnets Within an organization Uses Internet technologies Business value of Intranets Used for information sharing, communication, collaboration, & support of business processes. Web publishing Comparatively easy, attractive, & lower cost alternative for publishing & accessing multimedia business information 24
- 25. IntrAnets An intranet is a computer network within an organization that uses Internet technologies for members of the organization only If a company has an existing network, than establishing an intranet is very inexpensive. All that is required is the server software and browsers for clients. Most of the technologies mentioned earlier are all available at no charge 25
- 26. Intranets An intranet is an internal organizational network that provides access to data across a business firm. Business Operations & Management Used for developing & deploying critical business applications Supports operations and managerial decision making 26
- 27. Intranets Intranets are protected by… Passwords Encryption Firewalls Customers, suppliers, and other business partners can access an intranet via extranet links. 27
- 28. INTRANET Intranets require no special hardware. Intranet software technologies is the same as that of the Web. The Web browsers and Web server software for intranets are the same as those on the Web. Ex: Hewlett Packard (HP) uses an intranet for many human resource functions. The company’s 88,000 employees in 150 countries can access HP’s intranet to fill out forms about beneficiaries, address changes, tax withholdings, etc. Ex: Boeing offers over 200,000 employees training via the Center of Leadership and Training (CLT) intranet sites. It opens up the courses and training opportunities for employees worldwide. By using the CLT intranet, employees can choose from a wide range of course offerings. 28
- 29. INTRANET An Intranet is a private and internal network using Web technologies inside an organization. It can be considered a private internal Web, which limits viewing access to authorized users within the organization. It enables employees to communicate, share information and work together on common projects regardless of their physical location. Employees access information on the Intranet through a Web browser. This information cannot be viewed by users outside the organization. Thus it is separated from the visible, publicly accessible Web. It is protected by security measures such as passwords, firewalls. 29
- 30. Information Most Frequently Found in Corporate Intranets Customer databases Corporate policies and procedures (Winthrop) Corporate phone directories Human resource forms (Winthrop) Training programs Product catalogs and manuals (Winthrop) Data warehouse and decision support access Internal purchase orders (Winthrop) Travel reservations Knowledge management databases 30
- 31. Functional Applications of the Intranet Idea 31
- 32. The Role of Intranets Many companies have sophisticated and widespread intranets, offering… Detailed data retrieval Collaboration Personalized customer profiles Links to the Internet Intranets use Internet technologies Web browsers and servers TCP/IP network protocols 32 HTML publishing and databases
- 33. Intranets as Information Portals 33
- 34. Business Value of Intranets Intranets support Communications and collaboration Business operations and management Web publishing Intranet portal management 34
- 36. Business Operations and Management 36
- 37. Web publishing 37
- 38. Intranet portal management 38
- 39. extranets Network links that use Internet technologies to interconnect the firm’s intranet with the intranets of customers, suppliers, or other business partners Consultants, subcontractors, business prospects, & others 39
- 40. Extranets An extranet is similar to an intranet but it enables the firm’s business partners (e.g., suppliers or customers) to access the firm’s intranet Once an organization links its network to the Internet theoretically anyone can access the firm’s network. With respect to an extranet, firms want to restrict access to business partners. A virtual private network provides the security mechanism for accomplishing this. A VPN uses a combination of public and private lines to build a secure extranet. The link between the firm’s network and the Internet is often called a “tunnel.” A VPN provides a secure tunnel. VPNs are also required for firms with extensive intranets (multi- site firms) 40
- 41. EXTRANET Extranets are private intranets extended to authorized users outside the company. It is accessible to authorized outsiders. Firms use such networks to coordinate their activities with business partners, suppliers, customers for making purchases, collaborating on design and other interorganizational work. An extranet connects the intranets of two or more business partners. Extranets are useful for linking organizations with suppliers, customers or business partners. Extranets make customer and supplier access of intranet resources a lot easier and faster than previous business methods. 41
- 42. Extranets Network links that use Internet technologies to connect the intranet of a business to the intranets of another Virtual Private Networks Direct private network links, or private secure Internet links between companies Unsecured Extranet Link between a company and others via the Internet, relying on encryption of sensitive data and firewall security systems 42
- 43. Virtual Private Networks 43
- 44. Extranet Connectivity 44
- 45. Business Value of Extranets Web browser technology makes customer and supplier access to intranets easier and faster Another way to build and strengthen strategic relationships Enables and improves collaboration between a business, customers, and partners Facilitates online, interactive product development and marketing 45
- 46. EXTRANETS (CONTINUED) Business value Improve communication with customers and business partners. 46
- 47. EXTRANETS (CONTINUED) Gain competitive advantage in Product development Cost savings Marketing Distribution Leveraging their partnerships 47
- 48. EXTRANET APPLICATIONS Managing the supply chain Collaborating with other organizations in the development of new products/services Sharing product catalogs exclusively with wholesalers. Sharing news and other information of shared interest exclusively with business partners (e.g., production schedules, forecasts) 48
- 49. Characteristics of The Internet, Intranet, and Extranet FOCUS TYPE OF USERS ACCESS INFORMATION The Internet External General public Any user with an communications Internet connection/public and not restricted The Intranet Internal Employees Authorized employees/private and restriction The Extranet External Business Authorized partners, business customers, partners/private suppliers and restriction 49