Run adapters without Repository?

Hi,
Is it possible to run Interconnect Database adapters without the Repository being 'up'? I'm working on a site at the moment, where it appears that in all the test, dev environments the adapters run alongside the repository, as I would expect. In 'Live' however, the Repository has not been started, and 2 DB adapters on either side of the architecture are running happily processing 1000's of messages per day.
There is some confusion about how this could be the case, and because of changes of staff, some knowledge missing regarding the architecture. Could anyone shed any light on this type of setup?
Thanks,
Mike

Too old, but for reference: the repository is read upon start of the adapters (at least, that is the default setting). After that, the repository, that hold routing information, is no longer needed.
You might test that scenario:
- start Rep
- start adapter(s)
- stop rep.
My guess and understanding is the adapters will continue running - these have all the data needed nicely cached.

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