802.11r standard ratified
While we’re still waiting for 802.11n to be approved, but we’re happily using it (with some consequences that devices don’t interoperate), the IEEE has ratified the 802.11r Wifi roaming standard, aka Fast Basic Service Set Transition. A pretty significant standard actually, especially with municipal/community Wifi in mind, covering large areas.
802.11r is a standard that lets Wifi devices roam quickly between access points, in less than 50ms, quick enough to keep a voice call alive. This much improves VoIP over Wifi and mobile browsing with minimal disruptions caused by changing access points and channels. Current roaming delays in 802.11 networks average in the hundreds of milliseconds, up to several seconds, as these 802.11 standards were originally defined with single access points in mind. While some have proclaimed 802.11 a/b/g/n… to be near-dead in favour of 3G mobile broadband or WIMax, this 802.11r standard proves it’s still alive and kicking.
Read on at DailyWireless.
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