Wireless Infrastructure

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Get Ready For A Wire-Free Enterprise

As the new 802.11n spec, with its increased speed, coverage, and reliability, intersects with a broader selection of vendor offerings, wireless is becoming a viable platform for mission-critical network connectivity.

It's an oversimplification to say that 802.11n heralds the era of the wire-free office--though with top speeds of up to 300 Mbps, it's clearly a catalyst for cutting the cords that tether users to their desks. Yet there's no question that within a few years, Wi-Fi will become the new network edge for companies interested in saving money, attracting top talent, and increasing security.

Of course, pure-play wireless LAN vendors have been saying for a while now that wired Ethernet to the desktop is dead, despite lingering concerns about reliability, the suitability of WLANs for telephony, the complexity of managing mixed wireless and wired networks, branch office and teleworker support ... and, oh yeah, the fact that the legacy infrastructure is chugging along just fine.

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Business technology managers have long weighed these factors against the most touted benefit of Wi-Fi: increased productivity. The efficiency studies are many and the refrain generally the same: Wireless keeps information at employees' fingertips, enables quicker decision making, reduces downtime, and enables collaboration. But in today's tight economic environment, the savings picture is just as compelling. Intel estimates--and we agree--that moving to a largely wireless network can reduce capital costs 40% to 50% and operational costs 20% to 30%. Luc Roy, VP of enterprise mobility at Siemens Enterprise Communications, cites a Canadian government customer that's saving $500 per event for moves, additions, and changes.

With the rising price of all modes of travel, teleworking is looking mighty attractive as well, and IT can now extend wireless to remote sites. Aruba Networks recently announced an access point, developed with Avaya and called the Mobile Remote Access Point, that can use any broadband connection to provide secure access to business resources for both data and voice. All the employee needs is a single- or dual-mode phone, or a softphone on a wireless laptop. Remote and branch offices also are obvious places to take advantage of all-wireless access (see story, "Next-Gen IT: Building Better Branch-Office Wireless"), especially as management tools emerge for monitoring mixed-vendor WLANs (see story, "Rollout: AirWave's WLAN Management Suite Put To The Test").

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