Text this: BMAP/G/1 queue under D-policy : queue length analysis

__    __     ___      ______   _    _             
\ \\ / //   / _ \\   /_   _// | || | ||   ____    
 \ \/ //   | / \ ||    | ||   | || | ||  |    \\  
  \  //    | \_/ ||   _| ||   | \\_/ ||  | [] ||  
   \//      \___//   /__//     \____//   |  __//  
    `       `---`    `--`       `---`    |_|`-`   
                                         `-`