>>>It looks like you're using pessimistic locking. Am I correct?
>>>
>>
>>Correct.
>
>Thank you.

Update (or attempt at it before you replied < s >):
I'm not sure I know of "good" way to handle optimistic locking for remote backends. By good, I mean no intensive processing via a middle-tier component. We use one now, but it simply acts as a conduit between the UI and the backend.