SSV Software SystemsDigital twin as an integration entity
The digital twin is an important component of the Industry 4.0 administration shell standard. However, the "Manufacturing-X" proof of concept for the Asset Administration Shell (AAS) is still pending. Proof of concept for IoT communication applications has already been provided.
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<p>Figure 2: End-to-end PKI solutions with two-way authentication are suitable for ensuring the authenticity and integrity of IoT data. For a LEO satellite connection between IoT device and data user, a PKI deployment with X.509 certificates is not readily possible. The solution is, for example, a hybrid concept in which the digital twin forms the PKI endpoint as a "security proxy". The data connection to the IoT device is secured with an HMAC. The end-to-end security is then still quite high by IoT standards.</p>
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