This document discusses deploying Wi-Fi in challenging environments and provides examples of how Extreme Networks solutions have addressed Wi-Fi needs in various industries. It describes common challenges in harsh environments like large and open spaces, device density, and changing environmental conditions. It then highlights Extreme Networks' differentiated solutions for indoor and outdoor deployments. Finally, it provides case studies of Extreme Networks deployments on retail/warehouses, public venues, ports/shipping, buses, trains, mining facilities, and sports venues.