{"draft":"draft-ietf-asdf-sdf-24","doc_id":"RFC9880","title":"Semantic Definition Format (SDF) for Data and Interactions of Things","authors":["M. Koster, Ed.","C. Bormann, Ed.","A. Ker\u00e4nen"],"format":["HTML","TEXT","PDF","XML"],"page_count":"92","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"A Semantic Definition Format for Data and Interactions of Things","abstract":"The Semantic Definition Format (SDF) is a format for domain experts\r\nto use in the creation and maintenance of data and interaction models\r\nthat describe Things, i.e., physical objects that are available for\r\ninteraction over a network. An SDF specification describes\r\ndefinitions of SDF Objects\/SDF Things and their associated\r\ninteractions (Events, Actions, and Properties), as well as the Data\r\ntypes for the information exchanged in those interactions. Tools\r\nconvert this format to database formats and other serializations as\r\nneeded.","pub_date":"January 2026","keywords":["IoT","Device Model","Interaction Model","Affordance","Property","Action","Event"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC9880","errata_url":null}