>[!summary] >A Network Digital Twin (NDT) is a virtual replica of a physical network infrastructure, designed to provide real-time monitoring, automation, and performance optimization in next-generation networks. NDTs are integral to the evolution towards 6G, offering significant advantages in operational efficiency, predictive maintenance, and strategic planning. The interested reader can refer to the two papers referenced below for more information. >[!References] >- Ayat Zaki-Hindi; Jean-Sébastien Sottet; Ion Turcanu; Sébastien Faye (2024). **Network Digital Twins for 6G: Defining Data Taxonomy and Data Models**. IEEE CSCN 2024. [](2024_zaki-hindi_network_digital_twins_6g_data_taxonomy_models.pdf) >- ITU-T (2022). **Digital Twin Network – Requirements and Architecture**. Recommendation ITU-T Y.3090.