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Development of Reference Model for Enterprise Architecture Leveraging TM Forum Assets

Digital transformations (DX) have become more anticipated over the last few years. In this trend, telecommunications carriers have increasingly advanced automated operations. However, it is not easy to increase overall efficiency and automation across domains because conventional services are in silos for each domain. One way of optimizing an entire operation is by developing an enterprise architecture (EA) and visualizing the whole business and information technology (IT) picture to achieve effective governance. It is common to develop a reference model and refer to it to improve work efficiency and quality. The TM Forum (TMF) is advancing assets such as extending the telecom operations map (eTOM), shared information/data model (SID), and open application programming interface (Open API), but it is difficult to use them as reference models because they are not aligned. Therefore, this paper describes a methodology of developing a reference model that clarifies the relationships of TMF assets.