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Governing Bodies and Organizations
FCC – Federal Communications Commission http://www.fcc.gov/
IETF – Internet Engineering Task Force http://www.ietf.org/
IEEE – Institute Of Electrical and Electronics Engineers http://www.ieee.org/portal/site
Air Defense http://www.airdefense.net/
Cisco Systems, Inc. http://www.cisco.com/
Wi-Fi Alliance http://www.wi-fi.org/
Benefits and Drawbacks
Benefits Mobility Reduced Costs Flexible Distance
Drawbacks Dead Spots Interference Interoperability Security
Standards
IEEE – 802.11
802.11 2.4GHz 2Mbps 802.11b 2.4GHz 11Mbps 802.11g 2.4GHz 54Mbps 802.11a 5.0GHz 54Mbps 802.11n 5.0 & 2.4 GHz 144Mbps
Architecture
Site To Site / Point to Point
Point to Multipoint / Hub and Spoke
Last Mile Wireless Internet Service Provider (WISP)
Devices
Access Points Root Mode Bridge Mode Repeater Mode
Antennas Omni Directional / Dipole Semi Directional Highly Directional
Security
WEP – Wired Equivalent Privacy WPA – Wi-Fi Protected Access Broadcast SSID off MAC Filtering Redirecting Packets Authentication
EAP (Extensible Authentication Protocol) LEAP (Lightweight Extensible Authentication Protocol) PEAP (Protected Extensible Authentication Protocol) RADIUS (Remote Authentication Dial In User Service) VPN