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Users within segregated large enterprise network environments share the commonality of the data within their corporate LAN, but not necessarily the data residing within carefully defined and proprietary WLAN segments. These WLANs are typically restricted to just those users requiring access to it. While large corporate LANs are still somewhat viable, they are increasingly being augmented by multiple WLAN segments devised to support unique blends of multi-media and traditional data traffic. Whether these WLAN segments reside in close proximity of one another or in remote locations, each requires unique security mechanisms and must be able to periodically grant and restrict user permissions across their virtual networks.
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