Fair enough, it is just that a lot of the configs are really hard to get right, especially for security, unless you copy the configs from a gateway.

Also I could be wrong about this but in the past for us there is enough about Hadoop and its RPC layer that is static, that you cannot talk to two different clusters that are configured incompatibly.  But a client can talk to many different compatible clusters.  Either way we can adjust the documentation as we get more experience with users trying to do this.