The PingDirectory server provides two System for Cross-domain Identity Management (SCIM) servlet extensions to facilitate moving users to, from, and between cloud-based Software-as-a-Service (SaaS) applications in a secure, fast, and simple way. The SCIM 1.1 implementation is provided by the servlet extension named SCIM. The SCIM 2.0 implementation is provided by the servlet extension named SIMC2.