| Summary: | 碩士 === 國立高雄應用科技大學 === 資訊工程系 === 105 === Internet of things (IOT) is changing much about the world we’re living. Sophisticated sensors and chips are embed in physical things around us. It helps things communicate to each other. For example, we can implement in warehouse management, access control and electronic money.
Our system can be automatically controlled by using hierarchical and distributed management. Hierarchy with Bottom-up, from the view point of internal network access control system, card reader is regarded as client, and data base computer is regarded as server. Use card reader to get the card information, and then check the information to execute the corresponded event. From the view point of internet access control system, client is the internal network database computer and card reader, and server is main system database. The manage will be distributed, and according to different ID we can set different parameters to control each access control system module. So what if the network is disconnected, each database and main system can still work fine. They can still save the data and wait until the internet is connected to effectively synchronize the data.
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