# Background As part of the Mission Telemetry Services (MTS) project which is focused on the sharing of ISS telemetry data in a fully featured zero trust networking and policy enforcement platform. APPDAT needs to mature the Policy Enforcement Point (PEP) functionalities around client access to APPDAT hosted resources. At this point we are still evaluating different technology offerings in this space, currently identified technologies of interest are: - OPA (https://github.com/open-policy-agent/opa) - AppGate - zScaler - GCP Context Aware Access - Azure Context Aware Access