Extensible Messaging and Presence Protocol Assumi XMPP Experts

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    We have a product that consists of a desktop client (at student side), and a web application in Django (instructor side). We have few features that are messaging type or status type. For example, we need the following: - to have a direct chat between student and instructor - broadcast message from instructor to all students - If the student is online or offline (close the application) - And some other status updates We are currently working in polling mode. Each clients sends a request message to the server every 4 seconds and gets the available information about these details from database. This of course causes the database to be overloaded. We would like to redesign this part. We want a consultant to help us in choosing the correct technology or service after understanding our system W...

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