From Device Description Working Group Wiki
Scope of requirements
The requirements in this document cover the behaviors expected of a Device Descriptions Repository. The requirements are at a high-level and, with the exception of [DDR-TECHNOLOGY], do not prescribe or recommend a particular technology solution. * For the same reason the implementation, data provisioning, security and operation of a DDR are not in scope of this document.
* The Scope of the requirements is bound by the scope of the DDWG Charter, specifically Identification of device characteristics ... that enhance the user experience of Web browsing, while mobile.