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Presentation1 12

  1. 1. Presentation On How routers work??? Presented By: Isha Kushwah Jasjeet kaur 08/26/10
  2. 2. Table of contents 08/26/10 Routing Algorithms 7. References 10. 1. Introduction to Router 2. History 3. Router Hardware 4. Router Software 5. Types of Routers 6. How does router works 8. Router Manufacturers 9. Future scope
  3. 3. Introduction to Router <ul><li>A router is defined as a device that selects the best path for a data packet to be sent from one computer network to another. </li></ul>08/26/10
  4. 4. History 08/26/10
  5. 5. <ul><li>Hardware and Software Components of a Router </li></ul>08/26/10
  6. 6. Hardware Components <ul><li>Network Interface </li></ul><ul><li>Interconnection Network </li></ul><ul><li>Processor with memory and CPU </li></ul>08/26/10
  7. 7. Router Software <ul><li>Router software's are used to determine the packet point to point switching. </li></ul>08/26/10
  8. 8. Types of Routers <ul><li>Enterprise routers </li></ul><ul><li>Routers for Internet connectivity and internal use. </li></ul>08/26/10
  9. 9. Enterprise Router 08/26/10
  10. 10. Internet Connectivity and Internal use 08/26/10
  11. 11. <ul><li>How Router Works??? </li></ul>08/26/10
  12. 12. Continue….. <ul><li>Keeping the Messages Moving </li></ul><ul><li>Directing Traffic </li></ul><ul><li>Transmitting Packets </li></ul><ul><li>The Path of a Packet </li></ul>08/26/10
  13. 13. Continue….. <ul><li>Tracing a message </li></ul><ul><li>Knowing Where to Send Data </li></ul><ul><li>Logical Addresses </li></ul><ul><li>MAC Addresses </li></ul>08/26/10
  14. 14. Continue….. <ul><li>Understanding the Protocols </li></ul><ul><li>Tracing a Message </li></ul><ul><li>Denial of Service Attacks </li></ul><ul><li>Backbone of the Internet </li></ul>08/26/10
  15. 15. Routing Algorithms <ul><li>Dijkstra Algorithm </li></ul><ul><li>DV Algorithms </li></ul><ul><li>Hierarchical Routing </li></ul>
  16. 16. Dijkstra Algorithm
  17. 17. DV Algorithms A typical network graph and routing table for router J K 15 L K 6 K --- 0 J I 10 I H 12 H H 18 G I 30 F I 17 E H 20 D I 28 C A 20 B A 8 A Line Weight Destination
  18. 18. Continue….. Network graph and routing tables 0,- 1,D 2,C 3,B D 1,C 0,- 1,C 2,B C 3,D 2,C 0,- 1,B B 3,C 2,B 1,A 0,- A D C B A
  19. 19. Hierarchical Routing
  20. 20. Router Manufacturers <ul><li>Alcatel-Lucent </li></ul><ul><li>Asus </li></ul><ul><li>Avaya </li></ul><ul><li>Brocade </li></ul><ul><li>Buffalo </li></ul><ul><li>Cisco Systems </li></ul>08/26/10
  21. 21. Future Scope 08/26/10
  22. 22. References <ul><li>http :// computer . howstuffworks . com </li></ul><ul><li>www.wikipedia.org </li></ul><ul><li>www.youtube.com </li></ul><ul><li>www.authorstream.com </li></ul><ul><li>http://www.devhardware.com/c/a/Networking-Hardware/Router-Overview/1/ </li></ul><ul><li>http://www.keyitsolutions.com </li></ul>08/26/10
  23. 23. Queries ??? 08/26/10
  24. 24. Thank u !!!!! 08/26/10

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