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What is the relationship of XRI to URI and IRI?

April 26, 2017IRI relationship URI XRI

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What is the relationship of XRI to URI and IRI?

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URI (RFC 3986) is the IETF/W3C standard for addressing on the Web. IRI (Internationalized Resource Identifier, RFC 3987) builds on top of the URI specification by extending the syntax to include Unicode characters. It also defines a transformation from an IRI into a valid URI for applications that can only accept URIs. XRI follows this same model. It builds on the IRI specification by extending the syntax to include features needed by abstract, structured identifiers intended to identify resources independent of any specific network location, domain, application, or protocol. The XRI Syntax specification also defines a transformation from an XRI into an IRI or URI for applications that only accept IRIs or URIs.