title: What happen if UDP server is down
body: <p>Not sure if the question is being asked before, I could not find one.</p>
  
  <p>But my question is ..</p>
  
  <p>What happens on client side when UDP server goes down unacceptably.</p>
  
  <p>Does the message get queued up in client Kernel buffer. </p>
  
  <p>If yes,what happen after the buffer is fill does it flushes the buffer after it fill.</p>
  
  <p>To me it looks like it does but just want to confirm and in case it doesnt ...</p>
  
  <p>What possible effect it has on the client machine.</p>