title: Does a HTTP response double as a TCP acknowledge signal?
body: <p>I understand that TCP is considered a reliable protocol because it sends an acknowledge signal to the transmitter, allowing it to know that the packet arrived intact at destination.</p>
  
  <p>When dealing with an incoming HTTP request, does TCP send an acknowledge signal before passing the data to the HTTP protocol for processing? Or does the response message sent from the HTTP protocol double as the acknowledge signal?</p>