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

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Text this: DDoS attack detection and mitigation with sFlow-based SDN system