Designing complex and large business processes requires a language that supports modularization and reuse in a portable, interoperable manner. This paper outlines an extension to WS-BPEL that allows for the definition of sub-processes that can be reused within the same or across multiple WS-BPEL processes. The paper describes different invocation scenarios and introduces a coordination protocol to be used for interoperable invocation of sub-processes across infrastructures from different vendors. https://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/5cbf3ac6-0601-0010-25ae-ccb3dba1ef47 2 Nov 2009 08:16:44 GMT 30 Oct 2006 12:36:51 GMT SAP Netweaver Portal WPC RSS Component