Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: On P2P mechanisms for VM image distribution in cloud data centers : modeling, analysis and improvement