My question is related to pub and sub communication model. Specifically, can I send a request via this system. for example, If I'm the publisher, can I send a request to the subscribers saying I need more information about your system or some information about a specific thing. what i know that I can only publish data, but I do not know if I can send a request.
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Yes, you can, the question is how correct is the use of the protocol for that..
Your client can pub a topic home/xoce/readyToGetInfo/ true and maybe all other clients subscribed to that topic can readdct to that and begin to push
home/xoce/temperature/ 11.11
but it looks very weird...
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