title: Client call on Asynchronous and Synchronous network
body: <p>I was wondering how the client should send a request on server network.</p>
  
  <p>1.) Synchronous client request, Asynchronous network implementation
  2.) Synchronous client request, Synchronous network implementation
  3.) Asynchronous client request, Asynchronous network implementation
  4.) Asynchronous client request, Synchronous network implementation</p>
  
  <p>Out of above 4 implementations, which one is the best implementation. </p>