WPA and Cisco Protocols
802.11i has taken a long time to come to fruition. Although work began in 2001, the standard was only ratified in 2004. Speed is not the primary criterion for standards development, nor should it necessarily be. Standards should be developed under the watchful and considerate eyes of many people, and such consideration takes time. Undue speed can lead to insufficient analysis, which can lead to gaping security holes such as we have seen in WEP. Vendors, however, do view time-to-market as a primary criterion, which has led to some variants of 802.11i.
Cisco Protocols
Cisco was concerned about the lack of solutions for the problems in the WEP protocol. 802.11i was progressing slowly, so Cisco developed its own versions ...
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