1. A method of delivering data using a device communicatively coupled to a communications network of a process plant, the method comprising: collecting, at the device, data corresponding to at least one of the process plant or a process controlled by physical equipment disposed in the process plant, the data including data that is at least one of generated by or received at the device, and the device being one of a field device or a controller; storing, using a local schema, the collected data in a cache of the device; and causing at least a portion of the collected data to be transmitted for storage at a data storage area of a process control big data appliance corresponding to the process plant, the data storage area being configured to store, using a common schema in which the local schema is included, multiple types of data from a set of types of data corresponding to at least one of the process plant or the process controlled by the process plant.