The scope of the ELRR Prototype Systems Integration Plan (SIP) is to provide technical guidance for integrating ELRR Prototype with ADL TLA sandbox components, such as the Authoritative Learner Record Store (LRS), Competency and Skills System (CaSS), and Enterprise Course Catalog (ECC), along with a recommended resource mixture to conduct the integration activities. The intended audiences for this document are developers or engineers who are familiar with TLA standards and core cloud computing principles.