http://www.rfc-editor.org/rfc/rfc7642.txt
RFC 7642: System for Cross-domain Identity Management: Definitions, Overview, Concepts, and Requirements, K. LI, P. Hunt, B. Khasnabish, A. Nadalin, Z. Zeltsan2015-09-01T23:00:00-00:00This document provides definitions and an overview of the System for Cross-domain Identity Management (SCIM). It lays out the system's concepts, models, and flows, and it includes user scenarios, use cases, and requirements.