support for human interactions is needed to complete certain process steps, consider the Workflow variation of this Application pattern. Similarly it does not support the parallel execution of multiple tasks. As the process composition technologies mature, we expect to see more widespread use of the Exposed Parallel Process application pattern in Extended Enterprise scenarios. 4.3.7 Exposed Serial Process: Workflow variation The Workflow variation of the Exposed Serial Process application pattern, shown in Figure 4-10, extends the basic serial process orchestration capability by supporting human interaction for completing certain process steps. Partner Zone Inter- enterprise Zone Enterprise Demilitarized Zone Enterprise Secure Zone Human Interaction Resolution