Mqtt integration with djagno App for scale project

We are building IoT web applications with django and mqtt *Below are our requirements 1. Mosquitto Broker Configuration - Securing Mosquitton connection with clients - Logging connect and disconnect with clients - Sending active status on client - configuring disconnect of client [login to view URL] Mqtt with Django App with Paho library - configuring for mqtt client - Subscribing to topics for only One's - Receiving message from subscribe topic to desire Qos level - Storing data to received Message Table - Running app with as long as server running - Publishing to a topic with desire Qos level - Getting conformation on received data - Storing sending information 3. Scale-up planning and execution - How we gonna manage 500 Device connection at a time - How we gonna Distribute subscription so that it doesn't create load on server - Active device information from broker -Basic scale-up stuff 4. Active monitoring and debug