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Figure 12: Trapeze RingMaster System

The Trapeze system allows administrators to set maximum bandwidth limits per user and per SSID and to allocate

a percentage of airtime on a per SSID basis. The Trapeze operating system has the ability to balance 802.11b

airtime consumption versus 802.11gn airtime consumption.

The Trapeze demonstration team was able to quickly identify a user in the management-system database. The

system can show per-client historical statistics using a feature called Client Watch List, which enables

administrators to collect data for the specified clients in the list. The collected data can then be used to aid in the

troubleshooting process. Trapeze is able to correlate historical user/AP statistics with location information. For

instance, RingMaster can provide visual “bread crumb” tracking that shows where a user was located on a floor

plan over time. Trapeze does not currently support spectrum analysis or classification.

Xirrus

Xirrus takes a different approach than most vendors in that it performs a live site survey for most installations as a

no-cost service. This approach, while time consuming, ensures that the network design reflects the real-world

environment measured at the time of the survey. Xirrus also provides predictive site surveys via a consulting

group, also at no cost. The Xirrus Array contains 4 to 16 integrated APs (IAPs). The system also uses directional

antennas. This combination enables network administrators to densely deploy Arrays while minimizing co-

channel interference.

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Encore 802.11GB WIRELESS PRINT SERVER - QUICK Manual de usuario Pagina 26