diff --git a/README.md b/README.md
index fa9c9de..56e56d3 100644
--- a/README.md
+++ b/README.md
@@ -198,6 +198,7 @@ A curated list of Microservice Architecture related principles and technologies.
 - [JWT](http://jwt.io/) - JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
 - [OAuth](http://oauth.net/2/) - Provides specific authorization flows for web applications, desktop applications, mobile phones, and living room devices. Many implementations.
 - [OpenID Connect](http://openid.net/developers/libraries/) - Libraries, products, and tools implementing current OpenID specifications and related specs.
+- [SCIM](http://www.simplecloud.info/) - System for Cross-domain Identity Management.
 - [Vault](https://vaultproject.io/) - Secures, stores, and tightly controls access to tokens, passwords, certificates, API keys, and other secrets in modern computing.
 
 ### Elasticity
@@ -388,6 +389,9 @@ of the testing and deployment process.
 - [RFC6749](http://tools.ietf.org/html/rfc6749) - The OAuth 2.0 authorization framework.
 - [RFC7515](https://tools.ietf.org/html/rfc7515) - JSON Web Signature (JWS) represents content secured with digital signatures or Message Authentication Codes (MACs) using JSON-based data structures.
 - [RFC7519](https://tools.ietf.org/html/rfc7519) - JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties.
+- [RFC7642](https://tools.ietf.org/html/rfc7642) - SCIM: Definitions, overview, concepts, and requirements.
+- [RFC7643](https://tools.ietf.org/html/rfc7643) - SCIM: Core Schema, provides a platform-neutral schema and extension model for representing users and groups.
+- [RFC7644](https://tools.ietf.org/html/rfc7644) - SCIM: Protocol, an application-level, REST protocol for provisioning and managing identity data on the web.
 - [OIDCONN](http://openid.net/connect/) - OpenID Connect 1.0 is a simple identity layer on top of the OAuth 2.0 protocol. It allows clients to verify the identity of the end-user based on the authentication performed by an Authorization Server, as well as to obtain basic profile information about the end-user in an interoperable and REST-like manner.
 
 ### Service Discovery