Software considerations
Standalone free software, self-hosted message broker.
Hardware considerations
Mosquitto is built for x86 and arm and functions as a networked message broker.
Security considerations
The appliance requires only the interfaces which are already connected for normal operation.
Policy considerations
Existing documentation exists at http://www.eclipse.org/legal/privacy.php for the privacy policy.
Upstream considerations
I am not the primary developer of the snap, however I have contacted the upstream development team, and will work with them to build this appliance.