7. The consistency enforcement system of claim 1 , wherein the at least one XML object stored in the SOA registry comprises at least one transition XML element, the at least one transition XML element referencing at least one source processing task XML element and at least one target processing task XML element in order to define a sequence between the corresponding processing task XML elements.
7. The consistency enforcement system of claim 1 , wherein the at least one XML object stored in the SOA registry comprises at least one transition XML element, the at least one transition XML element referencing at least one source processing task XML element and at least one target processing task XML element in order to define a sequence between the corresponding processing task XML elements. 8. The consistency enforcement system of claim 7 , wherein the validation unit is configured to reject the updated XML object when the at least one additional processing task XML element of the at least one updated XML object is not located within the sequence defined by the at least one transition XML element.