Wireless mesh networks (WMNs) have recently evoked much research attention as a novel technology for last-mile broadband Internet access. It provides wireless local area network coverage and network connectivity for stationary or mobile hosts at low costs both for network operators and customers. The core technology involves a network of wireless routers relaying each other's packets in a multihop fashion. Many variations on targeted applications and implementation choices offer different

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... unities to emerging companies in this emerging area. In this article, we will present an introduction to wireless mesh networks, architecture of WMNs and present both the benefits enabled by this technology and the main hurdles that have to overcome.