Machine-readable product information is increasingly managed in the construction industry through the use of standardized identifiers and data models. Although there is currently no explicit specification for the DPP on how data is identified, it is recommended to use Universally Unique Identifiers (UUID) for product information.
The term Globally Unique Identifier (GUID) is used in this white paper. UUID and GUID are identical. Both refer to a 128-bit identifier that is generated according to the RFC 412211 standard. GUIDs are structured in such a way that they are unique worldwide – even if they are created by different computers or organizations.
GUIDs are used for features or components of a product that are not sold individually but still require unique identification for tracking and compliance. This allows all information to be consistently and uniquely assigned to a single product. This enables better traceability, management and interoperability of construction products and materials throughout their life cycle.
11 The RFC 4122 standard was defined by the Internet Engineering Task Force (IETF).
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