Patent Number: 8,879,577

Title: Monitoring system, device, and method

Abstract: Provided is a monitoring system which can perform priority control in accordance with the wideband limitation. A priority/filter type selection processing unit (37) of a network interconnection device (11), which connects a local network (14) and a wide area network (10), selects a transmission data selection processing unit (38) on the basis of the priority level definitions of a transmission data in accordance with an event status, and a data compression method in association with the event status and the wide area network communication status, and selects and controls a filtering processing unit (33). As a consequence, the communication bandwidth in a wide area network is reduced.

Inventors: Takada; May (Kawasaki, JP), Ogata; Yuji (Saitama, JP), Yamada; Masaki (Yokohama, JP), Muranaka; Nobuyuki (Fujisawa, JP)

Assignee: Hitachi, Ltd.

International Classification: H04L 12/26 (20060101); H04B 17/00 (20060101); G06F 15/177 (20060101)

Expiration Date: 2019-11-04 0:00:00