What is the recommended architecture for OWSM

We are currently trying to completely the architecture documentation for a new SOA suite project within our company. Unfortunately we are struggling with the architecture design around the OWSM with regards to security. We are proposing to have 2 instances of the SOA suite sat on a VM ware cluster but this cluster is hosts some very sensitive data.
Obviously any externally facing web serivces should have the OWSM manager sat in front of. But if we host the OWSM on the same SOA suite instance will this provide enough security for us? Does any one have any ideas about this or should?
Do we need to host the OWSM on an alternative server to make it securer?

Hi,
Seems like what you are trying to accomplish will be possible.
But still for web services being accessed from outside, it is seen/preferable that a OWSM sits in a DMZ kind of environment. where every request is being intercepted by the WSM before entering into the internal SOA environment.
thanks

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