This Recommendation describes service functionalities of self-quantification over Internet of things (IoT) with the purpose of fostering interoperability of self-quantification services.

The following elements are within the scope of this Recommendation:

– Concept, technical implications and general service models to clarify the idea of self-quantification services and to categorize them into three different service models.

– Considerations to emphasize three important aspects of self-quantification services.

– Requirements to specify three different categories of requirements, which support the identified considerations.

– Functionalities to define a general functional architecture based on the identified requirements and to illustrate sequential diagrams of three different service models.

This Recommendation builds on the overview of IoT [ITU-T Y.4000] and the common requirements of the IoT [ITU-T Y.4100], providing specific requirements in support of the self-quantification application domain.

Usage scenarios of self-quantification services are provided in Appendix I.

NOTE – Regulatory, legal and business aspects are outside the scope of this Recommendation.