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802.11"N" means "No"
802.11N is not ready for prime time or any other time
This past week brought the news of how a renegade group of vendors had broken off from the IEEE 802.11n working group to do their own thing outside of the IEEE standards body. Until this time, the WiMAX community had often heard the objection: "What about IEEE 802.11n? Doesn't that do the same thing as WiMAX in terms of range and throughput?"
"No" and "no" is the answer. First, 802.11n is not a standard and will not be until the working group can overcome its internal politics and publish that standard. Until that time, all solutions are proprietary, lack interoperability and will be very expensive relative to those products that comply with standards.
Secondly, while 802.11n may match WiMAX in range and throughput, I'd like to see it match WiMAX in terms of security and QoS. Yup, you can tell me about 802.11e and 802.11i until we're both blue in the face, but I'm convinced that a non-carrier grade standard like 802.11 (whatever the variant) will have a difficult time matching a carrier-grade standard (and it is a fully-ratified and published standard) like 802.16-2004 in security (DES and AES encryption) and Quality of Service (extensive dynamic bandwidth allocation).
Frank Ohrtman
WMX Systems
www.wmxsystems.com
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