Client and server in supervisory control and data acquisition system

摘要

The present disclosure provides a server device in a supervisory control and data acquisition system, wherein the system includes multiples client devices and the server device, wherein the server device comprises: a communication module to communicate with the multiple client devices; and a data service module configured: when a first client device has registered a requirement for processing data, to allocate a task for processing the data based on the requirement; and/or when a second client device subscribes to the requirement, to control the communication module to publish the requirement to the second client device; to process the data using the task; and to control the communication module to send the processed data to the first and/or second devices.