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Organization connectivity

Organization connectivity. Skills : none IT concepts : structure within an organization LAN, options for connection to the Internet. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. Where does this topic fit?. Internet concepts Applications

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Organization connectivity

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  1. Organization connectivity Skills: none IT concepts: structure within an organization LAN, options for connection to the Internet This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

  2. Where does this topic fit? • Internet concepts • Applications • Technology (communication) • Implications • Internet skills • Application development • Content creation

  3. Connectivity within the organization LAN How does the LAN connect to the Internet? The Internet LAN How are the computers connected inside the LAN?

  4. Campus fiber backbone

  5. The campus LAN Building 1 Building 2 Central node (ERC building) Internet Building 3 … 1 gbps links star topology Building n

  6. Inside each building To the central campus node Main switch 1 gbps … 48 port switch 1 48 port switch 2 48 port switch n 48 port switch 3 100 mbps

  7. The central campus node Data center Campus router Firewall CSU router AT&T Downtown LA Responsibility of CSUDH Links from campus buildings 1 gbps

  8. User to Internet 48 port switch Building switch Central node Data center

  9. Data center

  10. Air conditioning and backup power on the roof

  11. The link to the data center How does the LAN connect to the Internet? Internet LAN How are the computers connected inside the LAN?

  12. Traditional leased line speeds

  13. Ethernet “LAN” evolution Fiber and copper wire 100 gbps 100 kilometers IEEE 802.3, 1982, thick, rigid coax 10 mbps 185 meters

  14. Metropolitan area ethernet

  15. Wireless connectivity Satellite Terrestrial

  16. Service level agreement Speed Latency (ping time) Reliability Time to repair Compensation Sample service level agreement

  17. A few questions

  18. How does the speed of the of links between wired computers and building switches compare to that of WiFi? How does the speed of the of links between wired computers and building switches compare to that of the links between buildings? How does the speed of the links between buildings compare to that of WiFi? How does the speed of the link between the campus LAN and the downtown datacenter compare with WiFi?

  19. Organization connectivity Skills: none IT concepts: structure within an organization LAN, options for connection to the Internet This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

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