title: What is the difference between web sockets, long polling, server-sent events and forever frame?
body: <p>I'm currently exploring SignalR, this technology supports transports (web wockets, long polling ,server-sent events and forever frame).</p>
  
  <p>I have understood the terminology web sockets and long polling. But what is Server-Sent Events and Forever Frame?</p>
  
  <p>How all four differ from each other?</p>