A system and method that provides for an exchange of messages and associated data across a plurality of communication network system entities for one or more communications networks, wherein the system includes one or more distributed message brokers which are in communication with any number of communication network system entities. The message broker may perform message processing, which includes relaying and screening based on prioritization rules which may include customer classification criteria, associated service classification, and system entity classification applied to a message classification for messages communicated over the communications networks.