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Iot logical design
- 1. S H IL PA K R I S H N A , R E S E A R C H S C H O L A R IOT-LOGICAL DESIGN
- 2. Logical design ofIoT system refers to an abstract representation of the entities & processes Lets see:- •IoT Functional Blocks •IoT Communication Models •IoT Communication APIs
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- 5. REQUEST-RESPONSE MODEL CLIENT Send Request to server SERVER Receives requestsfrom clients, processes requests, looks up/fetches resources, prepares response and send response to clients RESOURS ES
- 6. PUBLISH-SUBSCRIBE MODEL Sends messages to Topics Broker Publisher Topic A TopicB Subscriber 1 Subscriber 2 Subscriber 3
- 7. PUSH-PULL MODEL message pushedmessage pulled from queues to queues PUBLISHE R SEND MESSAGES TO QUEUE CONSUMER 1 CONSUMER 2
- 8. EXCLUSIVE PAIR MODEL Requestto Setup Connection Response Accepting the Request Message from Client to Server Message from Server to Client Connection close Request Connection close Response CLIENT SERVE R
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- 10. REST-BASED COMMUNICATION API HTTP CLIENT REST AWARE HTTP CLIENT HTTP PACKET GET,PUT,POST ,DELETE REST PAYLOAD JSON,XML HTTP SERVER AUTHORISATION, REST-FULWEB SERVICE RESOURCES URI(REPRESENTATIONS , RESOURCES)
- 11. WEBSOCKET BASED COMMUNICATION API Requestto setup websocket connection Response accepting the request Initial Handshake Data Frame (over HTTP) Data Frame Data Frame Bidirectional Data Frame Communication Connection close request Connection close response Closing Connection client server