title: why does MQTT use less battery than Websockets+protobuf (or it doesnt?)
body: <p>While using a MQTT server a question popped up in my head, would it be better to use Protobuf+Websockets in my case?</p>
  
  <p>I am making an instant messaging platform... clientA to server to database and clientB.</p>
  
  <p>information that will be sent: conversation ID and message.</p>