Remote management of a facility

A system comprising:

• a building including a network of electrochromic windows and window controllers and at least one network controller;
• and
• a remote master network controller;
• wherein the network controller is configured to:
• communicate with the window controllers over a local data bus;
• and
• communicate with a remote master controller by way of an internet protocol.

A cloud-based system comprising one or both of computational and data storage resources, wherein:

• the cloud-based system is configured to:
• be communicatively coupled with a plurality of remote sites, each site including a respective network of switchable optical devices and at least one associated network controller;
• receive data from the at least one associated network controller about functioning of the respective network;
• and, responsive to the received data,
• send data and/or control messages to the at least one associated network controller.

A building comprising:

• a network of electrochromic windows and window controllers;
• and
• at least one network controller;
• wherein:
• the network controller is figured to:
• communicate with the window controllers over a local data bus;
• and
• communicate with a remote master controller by way of an internet protocol.