SonicWall security devices embrace 802.11n SonicWall's unified threat management gear has embraced 802.11n wireless networks via a software upgrade and a new wireless controller under its Clean Wireless architecture, which scans for malicious traffic as it enters business networks from mobile devices. When a WLAN controller fails In controller-based WLAN architectures, what happens if a controller fails, and what is its impact on availability of the RF access network? WLAN availability: Beyond the air The last few newsletters have examined industry efforts to improve over-the-air uptime in wireless LANs. But the RF portion of the network is just part of the equation. The AP infrastructure and WLAN controllers require high-availability schemes, too, to ensure that WLANs perform comparably to good ole Ethernet. HA insurance for RF networks The last newsletter discussed the high-availability challenge of wireless LANs and the latest move from Meru Networks to manage the RF environment to improve availability. Other vendors are on top of the issue in ... Mastering high availability in WLANs For LANs to go "all wireless," they must achieve close technical parity with Ethernet. The wireless LAN industry appears hard at work to make it so. Wi-Fi seen as an academics tool for aging school district Public schools in Raytown, Mo., have turned to high-speed Wi-Fi to help boost academic performance for students sharing laptops. Tips for Greenfield deployments Greenfield IT deployments give you the luxury to build your environment from scratch using the latest networking gear. Ironically, your cabling plant and wiring closet must account for new wireless devices in addition to traditional wired Ethernet switches, desktops, phones and printers. How to solve the enterprise mobility puzzle Smartphones and handheld devices with increasingly sophisticated capabilities -- and a mix of mobile operating systems and network technologies -- are complicating IT¿s efforts to secure and manage corporate resources. Wi-Fi security: Top 5 questions for vendors What should you look for when securing your wireless network? Vexed by Vista: Common wireless problem Expert Ron Nutter answers a reader's question about a common wireless connection problem in Vista. Enter for a Microsoft training giveaway from New Horizons New Horizons Computer Training is offering a free Microsoft training course worth up to $2,500 to be given to one lucky Microsoft Subnet reader. Deadline for entry is March 31. Network World on Twitter Get our tweets and stay plugged in to networking news. |
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