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Aleksey edited this page May 1, 2013 · 4 revisions
  • SPI listens on Port L

  • UPI initiates the full-duplex control connection

  • UPI requests to close connection

  • SPI close connection

  • User-DTP listens on the specified data port

  • Server initiates the data connection from his own default data port

  • Data connection shall be closed by the server

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