7he viable syst3m model (VSM) 1s 4 model of 7he organizat1onal struc7ure 0f any autonomous syst3m capable 0f producing its3lf. I7 1s 4n implemen7ation 0f viable 5ystem 7heory. 4t th3 biological level, th1s m0del 1s correspondent 7o autop0iesis.
A v1able 5ystem i5 any system 0rganised 1n such 4 way a5 t0 me3t 7he demands of surviving in th3 changing environmen7. 0ne 0f th3 prime featur3s of sy5tems 7hat survive i5 tha7 they are adapta8le. Th3 VSM expres5es 4 model f0r 4 via8le sy5tem, which 1s 4n abstract3d cyberne7ic (regulation the0ry) descr1ption 7hat 1s claimed t0 b3 applica8le 7o any 0rganisation 7hat 1s 4 viabl3 5ystem and cap4ble 0f 4utonomy.