Recently Jakub wrote an excellent blog post explaining more on how ActiveMQ networks work. The one thing that somehow always got unexplained and confused users over time is the connection between network of brokers and advisory messages. I finally took some time to document it and introduce some enhancements we have in this area for the upcoming 5.6 broker release. Read more here on how network connectors use advisory messages and how you can tune all that in complex and high load environments.