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Unleashing the potential of the Internet of Things 5

Recommendation ITU-T Y.4414/H.623

Web of things service architecture

1 Scope
The objective of this Recommendation is to define a WoT service architecture. The scope of this
Recommendation covers the following:
– overview of the WoT applications
– a functional architecture for the WoT service
– functional entities for the WoT service

2 References

The following ITU-T Recommendations and other references contain provisions, which, through
reference in this text, constitute provisions of this Recommendation. At the time of publication, the
editions indicated were valid. All Recommendations and other references are subject to revision;
users of this Recommendation are therefore encouraged to investigate the possibility of applying the
most recent edition of the Recommendations and other references listed below. A list of the
currently valid ITU-T Recommendations is regularly published. The reference to a document within
this Recommendation does not give it, as a stand-alone document, the status of a Recommendation.

[ITU-T M.3030] Recommendation ITU-T M.3030 (2002), Telecommunications Markup
Language (tML) framework.
[ITU-T Y.2002] Recommendation ITU-T Y.2002 (2009), Overview of ubiquitous networking
and of its support in NGN.
[ITU-T Y.2232] Recommendation ITU-T Y.2232 (2008), NGN convergence service model and
scenario using web services.
[ITU-T Y.4000] Recommendation ITU-T Y.4000/Y.2060 (2012), Overview of the Internet of
things.

[ITU-T Y.4400] Recommendation ITU-T Y.4400/Y.2063 (2012), Framework of the web of
things.

3 Definitions

3.1 Terms defined elsewhere
This Recommendation uses the following terms defined elsewhere:
3.1.1 client [b-W3C WACterms]: The role adopted by an application when it is retrieving and/or
rendering resources. A program establishes connections for the purpose of sending requests.

3.1.2 device [b-W3C digloss]: An apparatus through which a user can perceive and interact with
the Web.

3.1.3 Internet of things (IoT) [ITU-T Y.4000]: A global infrastructure for the information
society, enabling advanced services by interconnecting (physical and virtual) things based on,
existing and evolving, interoperable information and communication technologies.
NOTE 1 – Through the exploitation of identification, data capture, processing and communication
capabilities, the IoT makes full use of things to offer services to all kinds of applications, whilst ensuring that
security and privacy requirements are fulfilled.

Rec. ITU-T Y.4414/H.623 (11/2015) 791