title: Detect iPhone device which using same wifi
body: <p>how can i detect other iPhone devices in my wifi. After i found other iPhone devices, I want to send some values to them from my App. If i find 3 devices , i send any values that should go to all the three devices. In which way, i can achieve this. </p>
  
  <p>Can anyone help me to find this.</p>
  
  <p>Thanks</p>