SG13: Future networks and emerging
network technologies
Executive summary of the WP1/13, WP2/13,
WP3/13 and WP4/13 meetings,
25 July 2025, Geneva, Switzerland
These meetings
attracted 131 participants (83
physical and 48 remote only) and considered 380 documents. Preceding SG13 co-located rapporteur
group meetings (RGM) were attended by 290 participants (96
physically in Geneva and 194 remote).
Main meetings results
Working Party 1/13 “IMT Systems", 25 July 2025, Geneva
Recommendations determined (Resolution 1 - TAP)
ITU-T Rec. No. | Q | Base text | Status | Title |
Y.3188
(Y.LDT-reqs-funcs) | 20/13 | TD137/WP1
| New | IMT-2020 networks and beyond - Requirements and functions for applications demanding large data transmission |
Y.3221
(Y.FMSC-LDS) | 23/13 | TD159/WP1
| New | Fixed, mobile and satellite convergence – Local data switching for IMT-2020 networks and beyond |
Y.3222
(Y.FMSC-ConTrans) | 23/13 | TD161/WP1
| New | Fixed, mobile and satellite convergence – Functional requirements and functional architecture of the transformer model based unified control entity |
The consideration for approval of draft new Recommendations ITU-T Y.3188, Y.3221 and Y.3222 will take place at 28 October – 6 November 2025 SG13 meeting in Tashkent, Uzbekistan.
To this end, TSB Circular 65 (dated 28 July 2025) initiated the Members States consultation with regards to the proposed approval of draft new Recommendations Y.3188, Y.3221 and Y.3222 at the next SG13 meeting.
Recommendations consented for Last Call (Recommendation A.8 - AAP)
ITU-T Rec. No. | Q | Base text | Status | Title |
Y.3166
(Y.U2USM-req-fra)
With A.5
justification for 3GPP TS 23.501, 3GPP TS 29.244, 3GPP TS 38.300 in
TD210-R1/WP1. | 20/13 | TD138/WP1 | New | Future
networks including IMT-2020 network - Requirements and framework for the
support of user equipment to user equipment session management |
Y.3165
(Y.CCO-REQ)With A.5 justification for IETF RFC 9334 (2023)
and IETF RFC 9683 (2024) in TD209/WP1. | 21/13 | TD189/WP1 | New | Requirements
of orchestration supporting confidential computing for network slices in
IMT-2020 networks and beyond |
Y.3223
(Y.FMSC-MEC) | 23/13 | TD158/WP1 | New | Fixed, mobile
and satellite convergence - Multi-access Edge Computing for IMT-2020 networks
and beyond |
Y.3224
(Y.FMSC-InNetFL)
| 23/13 | TD160/WP1 | New | Fixed, mobile
and satellite convergence - Requirements and Framework for In-Network
Aggregated Federated Learning for enabling AI in IMT-2020 networks and beyond |
With regards to the Recommendations Y.3166 (Y.U2USM-req-fra) and Y.3165 (Y.CCO-req), the WP1/13 meeting noted the decisions of Questions 20/13 and 21/13, that evaluated the inclusion of normative references to the technical specifications 3GPP TS 23.501, 3GPP TS 29.244, 3GPP TS 38.300 into Y.3166 (based on TD210-R1/WP1) and to the technical specifications IETF RFC 9334 (2023) and IETF RFC 9683 (2024) into Y.3165 (TD209/WP1).
At the preceding rapporteur group meeting (14 - 25 July) Q23/13 progressed the "Fixed, mobile and satellite convergence - Standardization roadmap" (Y.supp.fmsc-roadmap) work, TD162/WP1.
Twelve new work items were agreed for establishment:
- Y.IMT2020-CP "IMT-2020 networks and beyond - Control plane", TD155/WP1 (Q20/13)
- Y.IMT2020-UP "IMT-2020 networks and beyond - User plane", TD156/WP1 (Q20/13)
- YSTR.SemComGenAI "Framework for Semantic Communication Pipeline with Generative AI-based Reconstruction", TD157/WP1 (Q20/13)
- YSTR.Af-KBSC "Architectural Framework for Knowledge-Based Semantic Communication over Public IMT Networks", TD211/WP1 (Q20/13)
- Y.IMT-2020-NA "Requirements and framework for network acceleration in IMT-2020 networks and beyond", TD218/WP1 (Q20/13)
- Y.DTNCM "Digital twin network - collaboration and management in IMT-2020 networks and beyond", TD201/WP1 (Q21/13)
- Y.CNC-SCM "Coordination of networking and computing in IMT-2020 networks and beyond - Service control and management", TD202/WP1 (Q21/13)
- Y.LRA-NS "Lightweight real-time AI for network slicing in IMT-2020 networks and beyond", TD203/WP1 (Q21/13)
- Y.Sup59 "IMT-2020 and beyond standardization roadmap", revision 5 of the roadmap (Q21/13)
- Y.FMSC-UEGC "Fixed, mobile and satellite convergence – Supporting user equipment group communication for IMT-2020 networks and beyond", TD175/WP1 (Q23/13)
- Y.FMSC-AN "Fixed, mobile and satellite convergence – Autonomous networks for IMT-2020 networks and beyond", TD176/WP1 (Q23/13)
- Y.FMSC-CS "Fixed, mobile and satellite convergence – Connection switching between heterogeneous satellites for IMT-2020 networks and beyond", TD177/WP1 (Q23/13)
Q20/13 requested to update its August – September interim e-meeting terms of reference by adding the activity to progress towards consensus for definition of AI agent across SG13. This addition was agreed by the WP1/13 meeting.
Working Party 2/13 “Cloud Computing & Data
Handling”, 25 July 2025, Geneva
Recommendations consented for Last Call (Recommendation A.8 - AAP)
ITU-T Rec. No. | Q | Base text | Status | Title |
Y.3701
(Y.cdp-reqts) | 17/13 | TD90/WP2 | New | Data handling
- Functional requirements of collaborative data processing in data platforms |
Y.3601-rev | 17/13 | TD88/WP2 | Revised | Big data –
Framework and requirements for data exchange |
Y.3505-rev | 17/13 | TD89/WP2 | Revised | Cloud
computing – Overview and functional requirements for data storage federation |
Y.3555
(Y.mc-arch) | 18/13 | TD72/WP2 | New | Cloud
computing - Functional architecture for multi-cloud |
Y.3556
(Y.ccmm-reqts) | 19/13 | TD76-R1/W2 | New | Cloud
computing - Framework and functional requirements of microservice monitoring |
Y.3557
(Y.ccimvc) | 19/13 | TD77-R1/WP2 | New | Cloud
computing - Functional requirements of management for virtual machine and
container integration |
The meeting agreed initiation
of the three new work items:
- Y.MLPaaS-reqts "Cloud Computing – Functional Requirements of PaaS for machine learning applications", TD102/WP2 (Q17/13)
- Y.3531-rev "Cloud computing – Functional requirements for machine learning as a service", TD103/WP2 (Q17/13)
- Y.mc-api "Cloud computing - API for multi-cloud management", TD69/WP2 (Q18/13)
WP2/13 agreed to the proposal from Q17/13, Q18/13 and Q19/13 on the establishment of a new Correspondence Group on Cloud Computing Coordination (CG-CC-SG13&SG21) to address potential overlaps in cloud-related work, currently performed in Study Groups 13 and 21. (Reference: C196/SG13RGM and TSAG-C18.)
The new group will be run by the co-conveners Ms Ying Cheng (China Unicom) and Ms Qihui Zhao (China Mobile) and will operate under the Terms of Reference as found in TD83/WP2. A liaison statement to ITU-T SG21, inviting the experts in the field from SG21 to join the CG, was agreed for dispatching, TD84/WP2.
Courtesy of the WP2/13 chair, a draft WP2/13 meeting report has been elaborated as found in document at the WP2 iFA. It will serve basis for the official meeting report development.
Working Party 3/13 “Future networks" 25 July 2025, Geneva
Recommendations consented for Last Call (Recommendation A.8 - AAP)
ITU-T Rec. No. | Q | Base text | Status | Title |
Y.2500
(Y.CPN-DF) | 2/13 | TD105/WP3 | New | Computing
power network - Terms and definitions |
Y.3661
(Y.bDDN-AM-COINO) | 7/13 | TD139/WP3 | New | Big data
driven networking - architecture and mechanism for customer-oriented
intelligent network operation |
Y.3089
(Y.ICN-INP) | 22/13 | TD129/WP3 | New | Information-centric
networking in networks beyond IMT-2020 - Requirements and capabilities of
network node to support in-network processing |
Y.3093
(Y.DTN-DataFrame) | 22/13 | TD130/WP3 | New | Digital Twin
Network - Framework and functional requirements of data domain in network
digital twin layer |
Supplement agreed to (Recommendation A.13)
ITU-T Supplement No. | Q | Base text | Status | Title |
Supplement 90 to
Y.2500-series
(Y.Suppl.CPN-SR) | 2/13 | TD106/W3 | New | Roadmap to standardization
on computing power network |
The meeting agreed initiation of the eight new work items:
- Y.NGNe-SAN-arch "Functional requirements and architecture of next generation network evolution (NGNe) to support service aware network", TD112/WP3 (Q2/13)
- Y.NICE-ANMT "Framework of network intelligence capability enhancement (NICE) for access network to support model training", TD113/WP3 (Q2/13)
- Y.Suppl.CPN-PAGuide "Supplement to Y.2500 series: Guidance on practical applicability of CPN", TD114/WP3 (Q2/13)
- Y.bDDN-TM-RA "Big data driven networking– Functional requirements and functional architecture of task management", TD148/WP3 (Q7/13)
- Y.bDDN-ENTPM "Big data driven networking –Evaluation of network traffic prediction model", TD149/WP3 (Q7/13)
- Y.ICN-CR "Requirements and capabilities of ICN enhancement to support computing resources access", TTD131/WP3 (Q22/13)
- Y.ICN-RDMA "Framework and capabilities enhancement of information-centric networking for supporting remote direct memory access", TD132/WP3 (Q22/13)
- Y.DTN-NetVerification "Digital twin network - Requirements of network verification for digital twin network", TD134/WP3 (Q22/13)
One proposal for the start of the new work in Q22/13 was not agreed for establishment and the decision was deferred to the next meeting of SG13, October-November 2025.
Courtesy of the WP3/13 chair, a draft WP3/13 meeting report has been elaborated as found in document at the WP3 iFA. It will serve basis for the official meeting report development.
Working Party 4/13 “Scenarios, Deployment and Technologies" 25
July 2025, Geneva
Recommendations consented for Last Call (Recommendation A.8 - AAP)
ITU-T Rec. No. | Q | Base text | Status | Title |
Y.3148
(Y.det-FQ-fa) | 6/13 | TD169/WP4 | New | Functional
architecture for stateless fair queuing in large scale networks including
IMT-2020 and beyond |
Y.3149
(Y.qos-req-ti) | 6/13 | TD174/WP4 | New | Quality of
service assurance requirements for the tactile internet |
Y.3829
(Y.QKDNi-qos-fa) | 6/13 | TD181-R1/WP4 | New | Quantum key
distribution networks interworking - Functional architecture for quality of
service assurance |
Y.3830
(Y.QKDN-rsff) | 16/13 | TD192/WP4 | New | Quantum key
distribution networks - procedures for key supply protection and recovery for
resilience |
Supplement agreed to (Recommendation A.13)
ITU-T Supplement No. | Q | Base text | Status | Title |
Supplement 91 to Y.2000-series
(Y.supp.mlip) | 1/13 | TD159/WP4 | New | Service model of risk
mitigation on livestock pandemic based on networks |
At the preceding rapporteur group meeting (14 – 25 July) Q16/13 progressed the “Standardization roadmap on trustworthy networking and services for study period 2025" (Y.supp.trust-roadmap) work, TD202/WP4.
The meeting agreed initiation of 18 new work items:
- Y.smad "Service model for managing product forecasting and automation of smart farm data based on AI in future network", TD163/WP4 (Q1/13)
- Y.ncpc "Service model of network scheduling for computing and power grid supply collaboration", TD164/WP4 (Q1/13)
- Y.qos-sre-rf "Requirements and framework for service rates estimation with packet metadata for stateless admission control", TD184/WP4 (Q6/13)
- Y.det-rdcs-fa "Functional architecture for QoS assurance of deterministic communication for remote device control services over IMT-2020 and beyond", TD185/WP4 (Q6/13)
- Y.QKDN-qos-req-rs "Requirements of quality of service assurance for quantum key distribution network resilience", TD186/WP4 (Q6/13)
- Y.QKDN-qos-QOdrQ "Quantum key distribution networks –Quantitative objectives for delay-related QoS parameter", TD187/WP4 (Q6/13)
- Y.IMT-2020.qos-dtn "QoS assurance requirements of digital twin network in IMT-2020 and beyond", TD231/WP4 (Q6/13)
- Y.QoS-LLM "Quality of service parameters for cloud based large language model inference service", TD230/WP4 (Q6/13)
- Y.supp.trust-guide "Guideline for standardization of trust technologies in ITU-T SG13", TD203/WP4 (Q16/13)
- Y.supp.QENS-roadmap "Standardization roadmap on quantum enhanced networking and services for study period 2025", TD205/WP4 (Q16/13)
- YSTR.QKDN-nq-trust "Guideline for integration of QKDN, UNemc, and trust enabled service provisioning", TD206/WP4 (Q16/13)
- YSTR.QKDN-PPQ "Plug‑and‑Play 1×N Quantum Key Distribution Module for QKDN", TD207/WP4 (Q16/13)
- YSTR.QKDN-sms "Technical elements of secure multicast support in QKDN based on trusted relay", TD208/WP4 (Q16/13)
- Y.QKDN-car-fr "Quantum key distribution networks – Framework of cryptographic application registration", TD209/WP4 (Q16/13)
- Y.3810amd "Quantum key distribution network interworking – Framework", TD210/WP4 (Q16/13)
- Y.3818rev "Quantum key distribution network interworking – Architecture", TD211/WP4 (Q16/13)
- Y.QKDN-ekm "Framework of quantum key distribution network for supporting edge key management", TD212/WP4 (Q16/13)
- Y.trust-MVInf-fr "Framework of a trustworthy metaverse infrastructure", TD213/WP4 (Q16/13)
One proposal for the start of the new work in Q16/13 was conditionally agreed for establishment pending the feedback from the SG17. Final decision on creation of this new work item (Y.trcm-fr, Framework for Trust based Consent Management, TD204/WP4) will be taken at the next meeting of SG13, October-November 2025 in Tashkent.
WP4/13 agreed on the request from Q5/13 to extend the deadline for replies to the Questionnaire “Use Cases of services universalization in developing countries using open networks and AI models" (TD68/PLEN of March 2025 meeting, Circular 37 of 27 March 2025) to 3 October 2025.
Courtesy of the WP4/13 chair, a draft WP4/13 meeting report has been developed as found in document at the WP4 iFA. It will serve basis for the official meeting report development.
The AAP Last Call starts on 1 August 2025 for each of the 18 consented Recommendations listed above.
Next meeting of SG13 will take place on 28 October – 6 November 2025 in Tashkent, Uzbekistan, at a kind invitation of the Ministry of Digital Technologies of the Republic of Uzbekistan.
