Wireless Networking a UNIX administration perspective

Overview

Norm Abramson and AlohaNet

Why Wireless Went Away....

Then Why Did It Come Back?

Technologies

802.11

802.11a

802.11b WiFi

802.11g

The others don't really matter....

Now that things are working fine....

Early Problems

WEP was the first effort

WiFi Protected Access (WPA)

802.11i Robust Security Networks (RSN)

What is the take-away?

How does wireless work?

What does this mean to a Sysadmin?

Think about NFS throughput....