* Uniform Extensible Discovery, Resolution, and Description Protocol
* Uniform Extensible Discovery, Resolution, and Description Protocol
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==XRI Resolution==
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XRI Resolution is defined as a simple and easy to deploy infrastructure for the purpose of resolving XRIs to URIs. It uses the HTTPs, XRDS documents, and SAML assertions, which allows the discovery and selection of service endpoint metadata for any type of service associated with a resource.<ref>[http://www.itu.int/dms_pub/itu-t/oth/15/04/T15040000090001PDFE.pdf Global Namespace Discovery using a XRI root-of-roots assumed by ITU-T]</ref>