# <a name="desc">Description</a> The Web Services Business Process Execution Language (WS-BPEL, BPEL for short) is a programming language to describe the control flow of business processes. BPEL has native support for concurrency, backward and forward recovery. A BPEL process is executed via a workflow engine. Using these engines, a BPEL process can execute for years. IBM, Oracle and Microsoft are some the big players in this field and provide workflow engines which can execute BPEL processes. T