Here come the meshes

Nortel and several startups are trialing wireless mesh-networking products, typically using 802.11a as a backbone to link meshes 802.11b nodes.  (via Wi-Fi Networking NewsI
assume 802.16 (WiMax) backhaul will be part of the mix as more
standards-compliant chipsets come on the market.  Meshing and
wireless backhaul will take WiFi to the next stage — from thousands of
purely short-range nodes to larger islands of connectivity.