Trident System Design

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Logical Architecture

1. Client Layer
   
1. The client layer of the Trident System consists of the following hardware devices: Hubs and Endpoints (Sensors/Valve Controllers). These devices communicate to each other on an encrypted 915mhz network. The communication is done via a proprietary set of application messages which enable data to be sent to the SMART Base Station (SBS).
   
2. Edge Layer
   
1. The edge layer of the Trident System is controlled by the SMART Base Station (SBS). The SBS collects and collates data from the client layer devices. Data such as water alarms and device statuses are passed on to the Server layer via secure API messages. Since this layer is directly connected to the client layer and receives messages, the SBS role is to collect this data and determine what data needs to be passed to the Server layer and how to keep the client layer communication healthy. The SBS stores data locally which is used to determine device status and network message paths for relaying messages from the cloud layer.
   
   
3. Server Layer
   
1. The server layer consumes the data from the edge layer and provides a User Interface to view information and control the devices in the client layer. The server layer consists of grouped cloud servers including an application server, message queue server and a data base server. This is a multi-tenant system with logical separation among the tenants.
   
2. As the consumer of the data coming from the edge layer, the server layer makes the data actionable via analytic dashboards and application processing. Analytic dashboards include device information such as last heartbeat, battery status and alarm history. Application processing includes notification services for alarms and lost communication as well as valve closing logic and control.