XRD and related specifications

XRD 1.0 is a much simplified version of the XRDS 2.0 [1] OASIS document format. It is fully aligned with the IETF Web Linking RFC [2] , borrowing much from the ATOM format [3] <link> element. XRD has a similar purpose as POWDER [4] from the W3C, but is significantly simpler and optimized for identity and service discovery use cases. It also has some potential overlap with ISO 13250 (Topic Maps) [5], but is much simpler and more appropriate for new web services development. XRD 1.0 is being used by the OASIS WS-Calendar specification [6] proposal, as well as the IETF host-meta proposal [7].

[1] http://docs.oasis-open.org/xri/2.0/specs/xri-resolution-V2.0.html

[2] http://tools.ietf.org/html/draft-nottingham-http-link-header-10

[3] http://www.ietf.org/rfc/rfc4287.txt

[4] http://www.w3.org/TR/powder-dr/

[5] http://www1.y12.doe.gov/capabilities/sgml/sc34/document/0129.pdf

[6] http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=ws-calendar

[7] http://tools.ietf.org/html/draft-hammer-hostmeta-13

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