title: Azure Event Hub : What is a 'Field Gateway'?
body: <p>Scott Guthrie's <a href="http://weblogs.asp.net/scottgu/azure-announcing-new-real-time-data-streaming-and-data-factory-services" rel="nofollow noreferrer">announcement of Azure Event Hubs</a> shows the below diagram which includes something called a 'field gateway'. </p>
  
  <p><img src="https://i.stack.imgur.com/LKFIP.png" alt="enter image description here"></p>
  
  <p>I've not been able to find a definition of what this concept means. I'm hoping it's a device-side SDK for sending events to Azure Event Hubs. Is it?</p>