Categories Messaging Protocol Acronym NACK Negative Acknowledgement A failure by the Broker to spool a message in any of the subscriber queues results in message roll back on all co-operating queues, and the producer is sent a negative acknowledgment. References https://docs.solace.com/PubSub-Basics/Message-Spooling.htm https://docs.solace.com/PubSub-ConceptMaps/Event-Stream-Maps.htm Previous Multi-Site Scaling Next Neighbor Queues
