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The ABC’s of Wireless Networking: An Introduction to WLAN Tom Seto AMTec 2005

The ABC’s of Wireless Networking: An Introduction to WLAN Tom Seto AMTec 2005. Alphabet Soup!. “802.11a, b, g, n, e”? What is this alphabet soup?. Agenda. WPAN, WLAN, WWAN IEEE 802.11x Other Acronyms Wireless Security Wired Networks AirUC and RezNet. Wireless Area Networks.

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The ABC’s of Wireless Networking: An Introduction to WLAN Tom Seto AMTec 2005

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  1. The ABC’s of Wireless Networking: An Introduction to WLAN Tom Seto AMTec 2005

  2. Alphabet Soup! “802.11a, b, g, n, e”? What is this alphabet soup?

  3. Agenda • WPAN, WLAN, WWAN • IEEE 802.11x • Other Acronyms • Wireless Security • Wired Networks • AirUC and RezNet

  4. Wireless Area Networks

  5. Current WLAN Technologies

  6. Upcoming WLAN Technologies

  7. Current WWAN Technologies

  8. Upcoming WWAN Technologies

  9. WLAN Security

  10. Fiber Optic Backbone • Fiber optics backbone • 816 kilometers of fiber • 32 Fiber nodes on campus • Remote direct connections to Mount Royal College and University of Alberta • Secure / Non Secure Networks • Internet Access

  11. Network Connections • Over 10,000 Active Network Connections to support Research, Administration and Teaching • Central Network Management (SNMP) • 10/100/1000 Mbps Speeds • Gigabit backbone links • AirUC – wireless network

  12. User Networks

  13. Uof C Wireless • AirUC http://www.ucalgary.ca/it/computing/netserv/wireless • VPN access http://www.ucalgary.ca/it/computing/netserv/vpn • RezNet http://www.ucalgary.ca/reznet

  14. AirUC • Wireless network for all IT username holders

  15. RezNet • 150 Access Points (APs) • 9 Buildings • 7 Buildings have wired access as well • 1600 pillows • Checkin is Chaos • Patch detection • Virus scanning • Need automated process

  16. WLAN • Two Models of WLAN Technologies • “FAT” Access Points • What we’re used to. • Access points contain the intelligence • Can run standalone • “Thin” Access Points • Access points have little or no intelligence • Controlled by “Wireless Switches” • Cannot run on their own • Easier configuration and management

  17. Building WLANs • Installing APs • Physical Security • Power over Ethernet (POE) 802.3af • AP management • Dead APs - probes

  18. Hotspots • Most Carriers have hotspots • Telus, Bell, Rogers, FatPort, etc. • Banding together to allow access to anyone’s hotspot but billed by your carrier

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