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This is the Preamble to the document. See the DeviceDescriptionEcosystem overview.


This W3C Note describes the business models surrounding the creation, maintenance and use of device descriptions. It identifies the main actors in the current model, explores their motivations for participating, identifies the costs associated with participation and the benefits that accrue to participants.

It is shown in this Note that the current model is incomplete, partly because of the absence of a common repository that can address the needs of the various actors. A complete model is postulated, on the assumption of the existence of a common repository, from which is derived some key requirements upon such a repository to ensure the success of the model.

This Note should be read in conjuntion with the DDWG Landscape document, which provides details of the particular technologies and actors currently engaged in work related to device descriptions. This Note, together with the Landscape document, provides input to the DDWG Requirements document.

Status of this Document

This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at

Publication as a Working Draft does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.

This document is a First Public Working Draft of a future Working Group Note. It has been produced as part of the W3C Mobile Web Initiative Device Description Working Group [DDWG], following the procedures set out for the W3C Process. This Working Group is part of the Mobile Web Initiative. The authors of this document are members of the W3C Mobile Web Initiative, Device Description Working Group (members only). Feedback can be directed to the DDWG Public Mailing List, which is also archived.