BPEL Is a Graph-oriented Language k The XML-based nature of BPEL processes enables the editing of process logic using visual design and modeling tools 区 Activity Nodes Represent message exchanges, internal operations, decision points 区Arcs Order of execution Constraints on concurrent processing k Directed acyclic graph Much like java k Separate error compensation handlingBPEL Is a Graph-oriented Language The XML-based nature of BPEL processes enables the editing of process logic using visual design and modeling tools Activity Nodes – Represent message exchanges, internal operations, decision points Arcs – Order of execution – Constraints on concurrent processing Directed acyclic graph – Much like Java Separate error & compensation handling