SDLC 0 Synchronous Data Link Control Control Síncrono de Enlace de Datos 1997-05-04 ADCCPAdvanced Data Communication Control Procedure HDLCHigh Level Data Link Control Synchronous Data Link ControlSDLC 1 System Development Life Cycle Ciclo de Vida del Desarrollo de Sistemas 2001-03-26 System Development Life CycleSDLC