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Ad hoc network creation: Overcoming personal wi-fi hotspot competition
This article is part of the Network Evolution issue of June 2012 Vol. 3, No. 3
In an environment with both computers and smartphones, how will Wi-Fi systems cope with ad hoc network creation? In a recent Wi-Fi trial I was running, there was ad hoc network creation from smartphones, in particular, early iPhones). How can we overcome this problem? Business wireless LANs are facing increased RF competition from consumer electronic devices that form their own little Wi-Fi networks. Two very common examples include printers that support peer-to-peer print job submission by Wi-Fi clients and smartphones that support "personal wi-fi hotspot" 3G/4G Internet connection sharing. Do you have a question for our experts? Submit your question directly to our editors at firstname.lastname@example.org Historically, printers have advertised 802.11 ad hoc mode SSIDs; these are now being gradually replaced by Wi-Fi Direct. True ad hoc mode SSIDs are trivial for a Wireless IPS or WLAN with built-in rogue AP scanning to detect and correctly classify. Even manual scanning tools like NetStumbler can easily spot ad hoc mode ...
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Features in this issue
New cloud-managed wireless LAN services have many users wondering whether Wi-Fi management as a service is dependable. Wireless expert Lisa Phifer goes on a myth-busting mission.
When building a more complex WLAN for mobile devices is not a viable choice, there are a few enterprise cellular options that can extend coverage.
Ad hoc network creation is rising due to personal wi-fi hotspots from smartphones and computers. Addressing its impact on your WLAN is key to overcoming potential interference.
News in this issue
Mobile video streaming can disrupt WLAN performance, so engineers are re-architecting networks and taking precautions to handle video traffic.