The reliability, fuel efficiency, and increased operational effectiveness inherent in the engine upgrade translates to increased Joint STARS availability to the warfighter and decreased costs.
Because the SiBus is a logical entity based on the physical implementation of a message-driven bean (MDB), there is no inherent high availability or workload management functionality.
The inherent readability of XML just makes interchange and format specification easier, and the wide availability of XML libraries makes creation of new tools simple.