+- Implemented as a Python application.
+- Repo: *sim/a1-interface*.
+- Documentation at the :doc:`A1 Simulator documentation site <simulator:index>`.
+
+(Spring Cloud) Service Gateway
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Support Apps to use A1 Services.
+
+- `Spring Cloud Gateway <https://cloud.spring.io/spring-cloud-gateway>`_ provides the library to build a basic API gateway.
+- Exposes A1 Policy Management Service & Information Coordinator Service.
+- Additional predicates can be added in code or preferably in the Gateway yaml configuration.
+
+Implementation:
+
+- Implemented as a Java Spring Cloud application.
+- Repo: *portal/nonrtric-controlpanel*.
+
+
+Service Exposure Security Architecture Prototyping
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Support Apps to use NONRTRIC, SMO and other App interfaces.
+A building block for coming releases as the R1 Interface concept matures .
+
+- Support dynamic registration and exposure of service interfaces to Non-RT-RIC applications (& NONRTRIC Control panel).
+- The architecture and componets are defined in :doc:`Non-RT RIC Security Architecture Prototyping (Documentation site) <service-exposure/se-overview/>`.
+
+DMaaP Information Producer Adapters (Kafka)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~