title: FCM Vs GCM? Why we need to migrate from GCM to FCM
body: <p>Hello Friends I am new to this stackoverflow community, but have wide experience in developing code using various programming languages like android. Today I was implementing GCM with one of my application, I was facing some problem of delay in push notification message.  I was reading about it on goggle and found somewhere that some new service named <strong>FCM</strong> launched by google recently. I read various article or blog but did not find much information from there. I have some questions in mind,  pls give your views, all stackoverflowian  are heartily invited to give their suggestion. </p>
  
  <ul>
  <li><p>Why we need this FCM.</p></li>
  <li><p>FCM over GCM.</p></li>
  <li><p>Is GCM now depreciated. Are they going to stop all services &amp; support
  of gcm.   </p></li>
  <li><p>How to update my old applications from GCM to FCM.</p></li>
  <li><p>Can anyone show me the original link where google announced the FCM<br>
  over GCM, because i did not found this originally posted google.</p></li>
  </ul>
  
  <blockquote>
    <p>Thank you All!</p>
    
    <p>Jordan Chaffins</p>
  </blockquote>