This document identifies technical requirements for information exchange between entities within the reference architecture.

The requirements for information exchange in the following networks are within the scope of this document:

—    user network that connects the user entity and the digital twin entity;

—    service network that connects sub-entities within the digital twin entity;

—    access network that connects the device communication entity to the digital twin entity and to the user entity;

—    proximity network that connects the device communication entity to the observable manufacturing elements.