Well I see those 2 and ostpapidaemon and ostpcsmqapi. Plus I see odbaapi under ottdba. I am not sure what these do or if they are related or not. Probably a complete list of the components could be found by contacting support.
My latest mantra - make sure you have latest stpapi patches and the latest session object. If on LN then please explore the option of using DAL2 functionality.
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