2026-05-07 Version 2.3.3
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Details of 'DEN/DATA-00304181' Work Item
Work Item Reference ETSI Doc.
Number
STF Technical Body
in Charge
Standard Not
Ready For
Download
  DEN/DATA-00304181 EN 304 181 704 DATA
  Current Status
(Click to View Full Schedule)
Latest
Version
Cover Date Standstill Creation Date
  Early draft (2026-05-03) 0.0.1 Draft   View Standstill Information 2025-04-21
  Rapporteur Technical Officer Harmonised Standard
  Mauro Dragoni Antoine Mouquet No
 
Title Data Solutions (DATA); AI-based EU Local Digital Twin reference architecture
EU LDT Reference Architecture (WG INFRA) 
Scope and Field
of Application
This standard specifies a reference architecture for the execution of Local Digital Twins (LDTs) in European cities and communities. The architecture defines the essential components, interfaces, and data flows required to enable interoperable, AI-enabled digital twin solutions, supporting real-time integration of heterogeneous data sources, advanced analytics, and simulation capabilities.

The standard covers the logical and technical layers necessary for the deployment, operation, and federation of digital twins, including context management (e.g. using NGSI-LD), data models (e.g. using SAREF), AI/ML integration (with ethical considerations aligned to the EU AI Act), secure data exchange, and IoT device integration (e.g. via oneM2M standards). It ensures alignment with ongoing European initiatives such as CitiVerse EDIC, and Minimal Interoperability Mechanisms (MIMs/ITU-T Y.4505), while supporting compliance with relevant EU regulations and standards including the Interoperable Europe Act.

The architecture is designed to be extensible, supporting cross-domain use cases (such as mobility, energy and urban planning) and future technological advancements, exploring on-going standards developments for digital twins (e.g. in ISO/IEC, ITU-T, CEN/CENELEC). Implementation guidance will be provided to facilitate adoption by cities and ensure vendor-neutral solutions. 
Supporting
Organizations
NEC Europe Ltd, TELEFONICA S.A., TELECOM ITALIA S.p.A., INRIA, CNIT, Institut Mines-Telecom, Facultad de Informatica, Sejong University, FBK, EGM, Sfera s.r.l. 

 

Keywords Projects Clusters Frequencies Mandates Directives
  AI
Augmented Reality
Digital Twins
MIMs
NGSI-LD
oneM2M
SAREF
Smart Cities
  Connecting Things
     
Official Journal
     
Remarks
2026-05-03 dragoni Draft contributed - V 0.0.1 contributed for Decision in DATA(26)005078 as Early draft
2026-05-03 dragoni A new draft is uploaded - V 0.0.1 with status: Early draft
2025-08-18 Antoine Mouquet Work item adopted DATA, see contribution DATA(25)000063r3
2025-05-11 LEGALLFR WI proposed to TB DATA, see contribution DATA(25)000063r3
2025-04-28 LEGALLFR WI proposed to TB DATA, see contribution DATA(25)000063r2
2025-04-22 LEGALLFR WI proposed to TB DATA, see contribution DATA(25)000063r1
2025-04-21 SCARRONE WI proposed to TB DATA, see contribution DATA(25)000063
 

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