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Summary of Findings

Bottom Line:

Aruba Networks, Cisco Systems, Meru Networks, and Motorola provide the strongest solutions to

address the network-design, network-management, and problem-diagnosis use cases defined in this assessment.

They provide integrated design, comprehensive network management, and sophisticated diagnostic capabilities.

Context:

Wireless LANs (WLANs) have evolved from a nice-to-have convenience to an essential mobility

technology. Many users are pushing IT departments to deploy a pervasive mobile work environment, and they

expect WLANs to have fast, predictable behavior, just like a wired LAN. As enterprises increasingly rely on

WLANs for mission-critical communication, the challenges of network design, network management, and

problem diagnosis become more complex. Therefore, the tools provided by WLAN vendors must become more

sophisticated in order to meet the everyday administrative demands imposed by a burgeoning, increasingly

sophisticated wireless network.

Takeaways:

• Network design:

○ Network design tools can help enterprises estimate network deployment costs, itemize the equipment bill

of materials (BOM), and create an installation plan.

○

The major drawback of network design tools is that they create a static model of a dynamic network.

○ As the price of an 802.11n access point (AP) decreases, and as the level of self-optimizing WLAN

functionality increases, enterprises will increasingly use design rules of thumb—to simplify the design

process—and rely on the network equipment to dynamically self-adjust to the nuances of radio frequency

(RF) propagation.

• Network management:

○ Enterprises should consider management products that enable a network administrator to hierarchically

navigate among many sites as well as provide the ability to navigate through simple lists of devices.

○ Enterprises should carefully test vendor management features such as load balancing, band steering,

beamforming, airtime fairness (ATF), and service-level-agreement mechanisms.

○ Cloud-based network management may reduce cost and deployment complexity for small and medium-

sized businesses.

• Problem diagnosis:

○ Enterprises should select vendors that provide the ability to visually “re-play” historical client/AP trend

analysis.

○ Enterprises should select vendors that provide the ability to visually “re-play” historical client location

over time.

○ Enterprises should select vendors that integrate spectrum analysis, spectrum classification, and real-time

network control.

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