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Networking and Internetworking Devices ดร .  อนันต์ ผลเพิ่ม Anan Phonphoem, Ph.D. [email_address] http://www.cpe.ku.ac.th/...
Outline <ul><li>Network Devices </li></ul><ul><ul><li>Repeater/Hub/Bridge/Router/Gateway </li></ul></ul><ul><li>Backbone N...
Connecting Devices Networking Devices Repeaters Bridges Internetworking Devices Routers Gateways
Connecting Devices Hub
Repeater <ul><li>Extend the physical length </li></ul><ul><li>No network function has been changed </li></ul><ul><li>Locat...
Function of repeater Repeater is not exactly as same as Amplifier
Hub <ul><li>Actually is a multiport repeater </li></ul><ul><li>Star / Tree Topology </li></ul>
Bridge
Bridge <ul><li>Divide a large network into smaller segment </li></ul><ul><li>Isolating and controlling the link problems (...
Function of a bridge
Multiport bridge
Routers
Routers in an internet
Routers <ul><li>Act like stations on a network </li></ul><ul><li>Multi-home </li></ul><ul><li>Definition (Goal) </li></ul>...
Routing Principle <ul><li>Goal: Arriving at the destination </li></ul><ul><li>Considerations: </li></ul><ul><ul><li>Direct...
Gateways (protocol converter)
A gateway SNA network (IBM) Netware network (Novell)
Connecting Devices Networking Devices Repeaters Bridges Internetworking Devices Routers Gateways
Other devices <ul><li>Multiprotocol routers </li></ul><ul><li>Brouters </li></ul><ul><li>Switches </li></ul><ul><li>Routin...
Single VS. Multiprotocol router
Brouter
Backbone Network Bus Backbone Star Backbone
Connecting Remote LAN A point-to-point link acts as a LAN in a remote backbone connected by remote bridges
Virtual LAN   (VLAN) VLANs create  broadcast domains
VLAN with backbone switch
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Networking Devices

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Transcript of "Networking Devices"

  1. 1. Networking and Internetworking Devices ดร . อนันต์ ผลเพิ่ม Anan Phonphoem, Ph.D. [email_address] http://www.cpe.ku.ac.th/~anan Computer Engineering Department Kasetsart University, Bangkok, Thailand
  2. 2. Outline <ul><li>Network Devices </li></ul><ul><ul><li>Repeater/Hub/Bridge/Router/Gateway </li></ul></ul><ul><li>Backbone Network </li></ul><ul><ul><li>Bus/Star/VLAN </li></ul></ul>
  3. 3. Connecting Devices Networking Devices Repeaters Bridges Internetworking Devices Routers Gateways
  4. 4. Connecting Devices Hub
  5. 5. Repeater <ul><li>Extend the physical length </li></ul><ul><li>No network function has been changed </li></ul><ul><li>Location is matter </li></ul>
  6. 6. Function of repeater Repeater is not exactly as same as Amplifier
  7. 7. Hub <ul><li>Actually is a multiport repeater </li></ul><ul><li>Star / Tree Topology </li></ul>
  8. 8. Bridge
  9. 9. Bridge <ul><li>Divide a large network into smaller segment </li></ul><ul><li>Isolating and controlling the link problems (e.g. congestion) </li></ul><ul><li>Regenerate signal + Checking Physical Address and forward only to the specified segment </li></ul>
  10. 10. Function of a bridge
  11. 11. Multiport bridge
  12. 12. Routers
  13. 13. Routers in an internet
  14. 14. Routers <ul><li>Act like stations on a network </li></ul><ul><li>Multi-home </li></ul><ul><li>Definition (Goal) </li></ul><ul><ul><li>“ Learning how to get from here to there.&quot; </li></ul></ul><ul><ul><li>“ Process of discovering, selecting, and employing paths from one place to another (or to many others) in a network” [from David M. Piscitello, Bellcore and A. Lyman Chapin, BBN] </li></ul></ul>
  15. 15. Routing Principle <ul><li>Goal: Arriving at the destination </li></ul><ul><li>Considerations: </li></ul><ul><ul><li>Direct route (shortest) </li></ul></ul><ul><ul><li>Reliable route </li></ul></ul><ul><ul><li>Cheap route </li></ul></ul><ul><ul><li>Safe route </li></ul></ul><ul><ul><li>Scenic route  </li></ul></ul>
  16. 16. Gateways (protocol converter)
  17. 17. A gateway SNA network (IBM) Netware network (Novell)
  18. 18. Connecting Devices Networking Devices Repeaters Bridges Internetworking Devices Routers Gateways
  19. 19. Other devices <ul><li>Multiprotocol routers </li></ul><ul><li>Brouters </li></ul><ul><li>Switches </li></ul><ul><li>Routing switches </li></ul>
  20. 20. Single VS. Multiprotocol router
  21. 21. Brouter
  22. 22. Backbone Network Bus Backbone Star Backbone
  23. 23. Connecting Remote LAN A point-to-point link acts as a LAN in a remote backbone connected by remote bridges
  24. 24. Virtual LAN (VLAN) VLANs create broadcast domains
  25. 25. VLAN with backbone switch
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