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Intranets and Extranets


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Intranets and extranets are communication tools that’s needed to set the Private and outside access for your E-Commerce Website, this forms the basic step of you IT Structure.

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Intranets and Extranets

  1. 1. Welingkar’s Distance Learning Division Intranets & Extranets We Learn – A Continuous Learning Forum
  2. 2. Intranets & Extranets
  3. 3. Information Technology Structure Security Content & Data Software Tools Infrastructure TCP/IP Hypermedia Servers Browsers Network Databases Management Policies & standards Network Management Software
  4. 4. An Overview of an Intranet clients Pvt. server Firewall server Internet router Firewall serverInternet router Public Internet LAN 1 Intranet Site 1 To Intranet Site 2 LAN 2
  5. 5. Intranets & Extranets Intranet Company B Intranet server The Intranet Company A Router Firewall Extranet Firewall Router Host system
  6. 6. Internet ISP ISP ISP ISP ISP ISP Intranet Firewall Intranet & Internet
  7. 7. Intranet and Internet Internet ISP ISP ISP ISP ISP Corporate Network INTRANET ISP ISP ISP
  8. 8. Access to Intranet • Employee telephone directory • Human resource policies • Support information and • Knowledge base
  9. 9. Access to Extranet • Need to rapidly adapt to change • Distribute information • Improve existing information delivery techniques • Supporting major strategic initiative
  10. 10. Reasons for using Intranets • Employee productivity • Cost saving • Knowledge management • E – commerce • Customer – management improvements
  11. 11. Syndication for Various Reasons Syndicate when you Want to get your products/services located on as many affiliate web sites as possible Have components that can be used in many different assembly & product configuration Have a product that many people want , but your business partners want to brand it themselves Have content that can be re-purposed in many ways Have a e-commerce offering that will add value to others in your business network
  12. 12. Router Firewall The Internet Extranet Firewall Router Host System Company A Company B Intranet Server Intranet Intranet An Example of Intranets & Extranets
  13. 13. Applications of Extranet Technology Applications Secure Electronic Mail B2B Communications Bulletin Board Subject review & response vehicle, FAQ Instant Messaging Sales & customer support Document Repository Knowledge management & customer support FTP Customer support, sales support software development Mail List Server Broad cash of changes & notification Calendar Scheduling Data conferencing & chat Electronic Meetings
  14. 14. Intranet and Extranets ISP ISP ISP ISP ISP ISP INTRANET Intranet Intranet Intranet Intranet Intranet
  15. 15. ISP ISP ISP ISP ISP ISP Government website Corporate site Search Engine University websiteSearch Engine -Netscape navigator -MS Internet Explorer -other Web Browsing
  16. 16. company supplier Company location 1 Company location 2 customer Extranet Intranet Relationship between Internet, Intranet, Extranet
  17. 17. Firewalls Firewall Outside Internet LAN Inside LAN