Osterman Research has found that the typical organization experiences a median of 18 minutes of unplanned downtime during the typical month, but that one in five organizations experiences more than one hour of unplanned downtime each month. (http://technet.microsoft.com/en-us/library/cc164341.aspx accessed 10th March 2009)
Osterman Ucwaningo lwathola ukuthi inhlangano ejwayelekile ehlelwa lesemkhatsini imizuzu 18 Ukuphumula engahlelelwe of ngenyanga ejwayelekile, kodwa ukuthi omunye izinhlangano ezinhlanu ahlangabezane ihora ezingaphezu kwesisodwa Ukuphumula engahlelelwe inyanga ngayinye. (http://technet.microsoft.com/en-us/library/cc164341.aspx afinyelelwe 10th March 2009)