Table 1.

List and description of the components of the Cloud platform.

Component	Description
Web Worker	A stateless virtual node that manages http requests coming from the web clients.
Load Balancer	A component that distributes the http request over a set of web workers and manages the number of active nodes based on the overall load
Relational Database	The main database for operational activities including individual registry, device management and alert management.
TimeStream Database	NoSQL database for time stream data such as ECG, Respiratory Trace and heart Beats per minute (BPM).
Simple Queue Service (SQS)	A component that uses using message queue to handle asynchronous communication between microservices (Lambda functions, web workers and edge devices) ensuring decoupling of components
Lambda Function	A serverless and event-driven computing service used to manage asynchronous tasks such as the generation of alarms
IoT Core	The component that handles the connectivity between the Internet of Things (IoT) devices and the backend Cloud platform using a publish/subscribe communication based on (MQTT) protocol