* Network multicast support on your machine if you want to run in a cluster out of the box. {{book.project.name}} can
be clustered without multicast, but this requires a bunch of configuration changes. Please see
the <<fake/../../clustering.adoc#_clustering,clustering>> section of this guide for more information.
* A shared external database like Postgres, MySql, Oracle, etc. {{book.project.name}} requires an external shared
database if you want to run in a cluster. Please see the <<fake/../../database.adoc#_database,database configuration>> section of this guide for more information.