title: what is the difference between packets Ajax sends and normal http packets?
body: <p>is there any difference between the packets being sent by Ajax, and normal packets (in attributes like <code>source port</code>,...)?
  or <strong><em>how can I distinguish Ajax packets from others when I'm capturing packets with jpcap</em></strong>?</p>
  
  <p><em>How Ajax sends packets</em>? is it by an unique thread?</p>