The implementation of a requirement-oriented communication structure in an enterprise is gaining an increasing importance. Success can be reached now, and even more in the future, through mastering the complexity of information and communication. This makes the organizational, social, and technical design of optimum communication networks indispensable. The method CODA holistically examines the information and communication processes and optimizes them on the basis of examination results. This method can be used for a variety of tasks, ranging from optimizing of information systems to structural redesign. CODA comprises several method components implemented by the use of software instruments.