Wide area management system, wide area management device, building management device, wide area management method, identifier information transmission method, identifier issuing method, and program

摘要

Reduce the condition that the identifier of the message can not be issued when a request to acquire data with high priority occurs. The wide area management device 21 compares the identifiers assigned to the messages exchanged between the building management devices 31 and 41 provided in the buildings B 1 and B 2 and the facility devices 32 and 42 and the data acquired from the facility devices 32 and 42 And the acquisition priority information indicating the acquisition priority in association with each other, and transmits the stored identifier and acquisition priority information to the building management apparatuses 31 and 41. The building management apparatuses 31 and 41 receive the identifier transmitted from the wide area management device 21 and the acquisition priority information, store them in the identifier information storage unit, refer to the identifier information storage unit, obtain the data of the message Issue an identifier according to the priority.