3. The method of claim 1 , wherein: receiving the notification data comprises receiving the notification data through a first connection; sending the request data comprises sending the request data through a second connection that is different than the first connection.
3. The method of claim 1 , wherein: receiving the notification data comprises receiving the notification data through a first connection; sending the request data comprises sending the request data through a second connection that is different than the first connection. 6. The method of claim 3 , wherein the second connection is an HTTP connection.