System and method for providing current status data to the requestor device

摘要

Systems and methods for providing status data to the requester device is disclosed. Request to obtain the status data is transmitted to the provider equipment unit from the requester. Request includes a previous value of a variable that is stored in the requester device. Value immediately before the provider apparatus, the transmitted is compared with the current value of a variable stored in provider equipment. variables that are changed, including the variable current value is different from the immediately preceding value is identified. Variable identifying map is created a variable that was changed. Variables mapping the current value for the variable is changed, to form state data and is organized into a predetermined format. State data is transmitted to the requestor device. [Selection] Figure Figure 1