Arcitura Education Exam S90.03 Topic 1 Question 4 Discussion

Each time our corporate development team makes a change to the service logic it is required to publish a new version of the service contract. Our customers are complaining because their service consumer programs become incompatible with new service contract versions and therefore no longer work. Which of the following service-orientation principles is most likely to help us solve this on-going problem? Select the correct answer.