A scalable network of heterogeneous devices, said network comprising: a plurality of outdoor lighting fixture nodes (112A-D, 122A-C, 132A-F), each of said outdoor lighting fixture nodes controlling at least one light output characteristic of at least one outdoor lighting fixture (114A-D, 124A-C, 134A-F); a plurality of segment controllers (140A-C), each of said segment controllers transmitting lighting fixture control data to at least one of said outdoor lighting fixture nodes (112A-D, 122A-C, 132A-F); wherein said light output characteristic of said at least one outdoor lighting fixture (114A-D, 124A-C, 134A-F) is based at least in part on said lighting fixture control data; at least one gateway (145A-B) in communication with at least two of said segment controllers (140A-C); and at least one remote management system in communication with said gateway (145A-B) and in communication with said segment controllers (140A-C) via said gateway (145A-B); wherein said remote management system transmits segment controller data to said segment controllers (140A-C) and at least some of said lighting fixture control data is based at least in part on said segment controller data; a plurality of sensors (116A-C, 126A-B, 136A-C) transmitting sensor data to at least one of said segment controllers; wherein said segment controllers (140A-C) transmit remote system data to said remote management system via said gateway (145A-B), said remote system data including information indicative of said sensor data; characterized in that: said segment controllers (140A-C) locally analyze at least some of said sensor data and, based thereon, directly generate at least some of said lighting fixture data at the segment controllers independently of the remote management system, thereby including part of said sensor data in said remote system data. a plurality of outdoor lighting fixture nodes (112A-D, 122A-C, 132A-F), each of said outdoor lighting fixture nodes controlling at least one light output characteristic of at least one outdoor lighting fixture (114A-D, 124A-C, 134A-F); a plurality of segment controllers (140A-C), each of said segment controllers transmitting lighting fixture control data to at least one of said outdoor lighting fixture nodes (112A-D, 122A-C, 132A-F); wherein said light output characteristic of said at least one outdoor lighting fixture (114A-D, 124A-C, 134A-F) is based at least in part on said lighting fixture control data; at least one gateway (145A-B) in communication with at least two of said segment controllers (140A-C); and at least one remote management system in communication with said gateway (145A-B) and in communication with said segment controllers (140A-C) via said gateway (145A-B); wherein said remote management system transmits segment controller data to said segment controllers (140A-C) and at least some of said lighting fixture control data is based at least in part on said segment controller data; a plurality of sensors (116A-C, 126A-B, 136A-C) transmitting sensor data to at least one of said segment controllers; wherein said segment controllers (140A-C) transmit remote system data to said remote management system via said gateway (145A-B), said remote system data including information indicative of said sensor data; characterized in that: said segment controllers (140A-C) locally analyze at least some of said sensor data and, based thereon, directly generate at least some of said lighting fixture data at the segment controllers independently of the remote management system, thereby including part of said sensor data in said remote system data.