Digital Twins Definition Language

The Digital Twins Definition Language (DTDL) is a language for describing models and interfaces for IoT digital twins. github

Digital twins are models of entities in the physical environment such as shipping containers, rooms, factory floors, or logical entities that participate in IoT solutions. Using DTDL to describe a digital twin's capabilities enables the IoT solutions to leverage the semantics of the entity.

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However, in large-scale, multi-team, multisite projects, a certain amount of documentation is required to ensure that all teams and stakeholders are aligned and working in synch. Working across organizational boundaries will add to the need for more detailed documentation of requirements and design decisions. Finally, some types of procurement contracts will require detailed specifications and SLAs (see Sourcing_and_Procurement ). Given that an AIoT-enabled product or solution will contain different building blocks, such as AI, hardware, software, embedded components, etc., it is likely that it will face many of these constraints. Consequently, the Digital Playbook proposes to create and maintain a product/solution architecture that captures key requirements and design decisions in a consistent manner (Fig. 25.1). SLAMA, Dirk, RÜCKERT, Tanja, THRUN, Sebastian, HOMANN, Ulrich and LASI, Heiner, 2023. 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