Infrastructure
Roaming
Desktop PC
RTS Threshold
WEP
Wireless Access
Point (WAP)
An integrated wireless and wired LAN is called an
Infrastructure configuration.
A wireless LAN mobile user moves around an ESS
and maintains a continuous connection to the
Infrastructure network.
Notebook with Wireless
Notebook Network Card
Wireless
BSS1
Access Point
Transmitters contending for the medium may not be
aware of each other. RTS/CTS mechanisms can solve this
"Hidden Node Problem". If the packet size is smaller than
the preset RTS Threshold size, the RTS/CTS mechanism
will not be enabled.
Wired Equivalent Privacy is based on the use of 64-bit or
28-bit keys and the popular RC4 encryption algorithm.
Wireless devices without a valid WEP key will be
excluded from network traffic.
An internetworking device that seamlessly connects
wired and wireless networks.
Desktop PC
Switch
Wireless Network
Access Point
ESS
PC with Wireless Desktop
PCI Network Adapter
41
Notebook with Wireless
Notebook Network Card
BSS2
Infrastructure Mode,
BSS, and ESS