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ITU-T Y.4459 (01/2020)

Digital entity architecture framework for Internet of things interoperability

Recommendation ITU-T Y.4459 introduces a digital entity architecture and its prospective in addressing interoperability and security among Internet of things (IoT) applications.

This Recommendation defines an architecture framework for information-oriented services that makes use of existing infrastructures, including the Internet infrastructure, to enhance secure and managed information sharing over a distributed networking environment. It defines an architecture framework for information management based on the use of digital entities, and a common set of secure services that will help the registration, discovery, resolution and dissemination of such digital entities. The set of services is designed to facilitate sharing across any storage boundaries, any heterogeneous application boundaries and any organization boundaries.

A digital entity architecture defines a minimum set of needed architectural components and services to provide a generic information and service interoperability. It will facilitate the interoperability of identification, description, representation, access, storage and security of IoT devices. This architecture framework encourages a common security and management interface across different IoT applications.

Under a digital entity architecture, information represented in digital form is structured as digital entities, each of which has an associated unique persistent identifier. However, metadata contained in the digital entities (e.g., location of the object) could be updated without changing its identifier.

The identifier allows the digital entities to be identified and discovered, regardless of where they are located or stored. Digital entities are not confined within any particular application boundary and may be moved from host to host, accessed from application to application, shared from organization to organization, without losing its ownership or management control, in order to enhance interoperability. A digital entity's data model allows ownership and access control information to be defined by data owners independently of any specific applications.

This Recommendation can be used with different identification and addressing protocols (e.g., Internet protocol (IP) and/or non-IP based networks).

Citation:	https://handle.itu.int/11.1002/1000/13861
Series title:	Y series: Global information infrastructure, Internet protocol aspects, next-generation networks, Internet of Things and smart cities Y.4000-Y.4999: Internet of things and smart cities and communities Y.4400-Y.4549: Frameworks, architectures and protocols
Approval date:	2020-01-12
Provisional name:	Y.IoT-Interop
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 20
Further details:	Patent statement(s) Development history

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
1	Y.4459 (01/2020)	In force	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
Y Suppl. 27 (01/2016)	ITU-T Y.4400 series – Smart sustainable cities - Setting the framework for an ICT architecture	In force	here	here	here
Y Suppl. 32 (07/2020)	ITU-T Y.4000 series – Smart sustainable cities - A guide for city leaders	In force	here	here	here
Y Suppl. 33 (07/2020)	ITU-T Y.4000 series – Smart sustainable cities - Master plan	In force	here	here	here
Y Suppl. 34 (07/2020)	ITU-T Y.4000 series – Smart sustainable cities - Setting the stage for stakeholders' engagement	In force	here	here	here
Y Suppl. 45 (09/2017)	ITU-T Y.4000-series - An overview of smart cities and communities and the role of information and communication technologies	In force	here	here	here
Y Suppl. 52 (12/2018)	Methodology for building digital capabilities during enterprises' digital transformation	In force	here	here	here
Y Suppl. 53 (12/2018)	ITU-T Y.4000-series – Internet of Things use cases	In force	here	here	here
Y Suppl. 54 (04/2019)	ITU-T Y.4000 series – Framework for home environment profiles and levels of IoT systems	In force	here	here	here
Y Suppl. 56 (12/2019)	ITU-T Y-series – Supplement on use cases of smart cities and communities	In force	here	here	here
Y Suppl. 58 (05/2021)	Internet of things and smart cities and communities standards roadmap	In force	here	here	here
Y Suppl. 61 (07/2020)	Features of application programming interfaces for Internet of things data in smart cities and communities	In force	here	here	here
Y Suppl. 62 (07/2020)	Overview of blockchain for supporting Internet of things and smart cities and communities in data processing and management aspects	In force	here	here	here
Y Suppl. 63 (07/2020)	Unlocking Internet of things with artificial intelligence	In force	here	here	here
Y Suppl. 68 (05/2021)	Framework for Internet of things ecosystem master plan	In force	here	here	here
Y Suppl. 69 (05/2021)	Web-based data model for Internet of things and smart city systems and services	In force	here	here	here
Y Suppl. 76 (09/2023)	ITU-T Y.4000-series – Use cases of Internet of things-based smart agriculture	In force	here	here	here
Y Suppl. 82 (07/2024)	Standardization gaps and roadmap for artificial intelligence and Internet of things in digital agriculture	In force	here	here	here
Y Suppl. 83 (07/2024)	Optimizing digital agriculture with best practices for integrating artificial intelligence and Internet of things	In force	here	here	here

Title	Approved on	Download
Multiple radio access technologies	2012	here

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ITU-T Recommendations

ITU-T Y.4459 (01/2020)