Part 1 explained that long and short running processes are executed in the business process layer of the architecture, potentially by a business process orchestration engine.

In a study appearing in the Oct. 9 issue of Nature Biotechnology, the researchers delivered short strands of RNA packaged in a layer of fat-like molecules called lipidoids.

In short, you have room for another layer of abstraction here, implemented as two XSLT stylesheets to be applied in sequence.