This document discusses cross-domain cyber situational awareness solutions from SolarWinds and BlueSpace. SolarWinds provides IT monitoring and management software, including their Enterprise Operations Console. BlueSpace provides cross-domain software solutions using their SmartXD technology. Together, SolarWinds and BlueSpace offer Sentinel, which uses certified data guards to provide cross-domain cyber situational awareness by extending the SolarWinds EOC interface across multiple isolated networks and clouds in a secure manner.