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  _____     ______    _  _    _    _     _  _   
 / ____||  /_   _//  | \| || | || | ||  | \| || 
/ //---`'   -| ||-   |  ' || | || | ||  |  ' || 
\ \\___     _| ||_   | .  || | \\_/ ||  | .  || 
 \_____||  /_____//  |_|\_||  \____//   |_|\_|| 
  `----`   `-----`   `-` -`    `---`    `-` -`

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發送短信 : Robustness of DTN against routing attacks