What is the XRI 2.0 specification suite?
The XRI 2.0 specification suite includes: XRI Syntax 2.0 defines the syntax, relative reference rules, normalization/comparison rules, and IRI/URI transformation rules. XRI Resolution 2.0 defines a lightweight HTTP(S)- and XML-based resolution protocol that may be used with XRIs, together with a trusted version based on SAML 2.0 assertions. XRI Metadata 2.0 defines a small set of globally interoperable XRIs that may be used as cross-references within other XRIs to markup an identifier, including its language, date, version, type, or other characteristics. XRI Identifier Types 2.0 is an extension of the XRI Metadata specification that defines a set of XRIs for indicating the type of an identifier that is not natively an XRI, e.g., a UUID, OID, UID, X.500 distinguished name, etc. Note that as of December, 2005, only XRI Syntax 2.0 has been advanced to Committee Specification status and been submitted for consideration as an OASIS Standard. The other three specifications are expected to b
