The IEEE has approved the specs for 802.11r, a new standard for Wi-Fi roaming.
“Why should you care about this? It’s designed for those moments when a Wi-Fi-connected device moves between hotspots, something the original 802.11 specs didn’t have in mind,” explains Gizmodo’s Kit Eaton. “Typically, a transition between spots involves a drop and re-associate delay of around 0.1 seconds, which is enough to drop a VoIP call: 802.11r allows re-association with the new Wi-Fi source in less than 0.05 seconds, which should keep your call connected.”
“Till now, vendors have either used lower security options on Wi-Fi VoIP (using WEP encryption for instance) and put VoIP traffic on separate VLANs to protect the rest of the network, or implemented technology close to the eventual 802.11r standard,” notes Techworld’s Peter Judge.
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