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Does anyone really care that the IEEE finally ratified the 802.11n wireless standard…anyone…anyone…Bueller? The sorry fact is that the final ratification will have virtually no impact on the wireless industry. This is because what customers care about most is product interoperability. The Wi-Fi Alliance stepped into the standards void in 2007 and began certifying product [...] 
Many enterprises are considering Wi-Fi CERTIFIED™ 802.11n draft 2.0 deployment because it has significant advantages over existing wireless technologies. However, these advantages present the enterprise network manager with important deployment considerations. At the upcoming Burton Group Catalyst Conference in July, I will examine the various deployment considerations for 802.11n in the enterprise. Some of the topics I will discuss are listed below. Most existing 802.11 devices operate in a single frequency band, (e.g., 2.4 GHz or 5 GHz). 802.11n is different because it is specifically designed to operate in both the 5 GHz and the 2.4 GHz frequency bands. So 802.11n presents an opportunity for enterprises to reconsider which frequency band(s) to use. I will discuss some of the tradeoffs and issues enterprise managers need to consider. Continue reading My Catalyst conference presentation
Wireless LAN (WLAN) Radio Frequency (RF) management is poised to become the new competitive battlefront. This includes technologies such as beamforming, smart antennas, and any other techniques used to control the wireless LAN physical layer. One might think that 802.11 technology innovation is slowing down, and that future competitive battles will primarily rely on marketing fluff, but not so. Continue reading The new battlefront: RF management 
Yesterday Cisco announced the Aironet 1140 series of Access Points (APs) and M-drive technology. The Aironet 1140 is Cisco’s next-generation 802.11n access point and is a significant advancement over its predecessor, the Aironet 1250. The most significant difference is the fact that the Aironet 1140 has a maximum power draw that is within Power over Ethernet (PoE) limits. The Aironet 1140 is also thinner and lighter than the Aironet 1250, and uses internal antennas (see the table below). In addition, the Aironet 1140 uses the same mechanical brackets as the Aironet 1250 in order to simplify AP replacement. Continue reading Cisco announces Aironet 1140 and M-Drive On December 3, 2008 I presented a talk entitled “Maintaining security as you upgrade to 802.11n” at the FinSec 2008 conference. My slides are [...] |
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