Universität Bremen TZI Fraunhofer SIT The Constrained Resource Identifier (CRI) is a complement to the Uniform Resource Identifier (URI) that represents the URI components in Concise Binary Object Representation (CBOR) instead of a sequence of characters. This simplifies parsing, comparison, and reference resolution in environments with severe limitations on processing power, code size, and memory size. // (This "cref" paragraph will be removed by the RFC editor:) The // present revision –14 of this draft picks up comments from the // shepherd review and adds sections on CoAP integration and on cri // application-oriented literals for the Extended Diagnostic // Notation. This revision still contains open issues and is // intended to serve as a snapshot while the processing of the // shepherd review is being completed.