An Architect and Developer Guide to BPEL and BPEL4WS Architecture, syntax, development and composition of BPEL Business Processes and Services BPELAdvanced use features such as compensation, concurrency, links, coverage, events, dynamic partner links, and correlationsOracle BPEL Process Manager and BPEL Designer Microsoft BizTalk Server as BPEL server In Detail Web services provide the basic technical platform required for application interoperability. BPEL is the missing link to assemble and integrate web services into a real business process BPEL4WS standardization process automation between web services. Supported by major vendors - including BEA, Hewlett-Packard, IBM, Microsoft, Novell, Oracle, SAP, Sun, and others - BPEL4WS becomes the accepted standard for business process management. This book provides detailed coverage of BPEL4WS, syntax, and where, and how, is used. This includes Oracle BPEL Process Manager and Microsoft BizTalk Server 2004 in detail, and shows how to write BPEL4WS solutions using the server. What you will learn from this book? Chapter 1 provides a detailed introduction to BPEL and Service Oriented Architecture (SOA). It discusses business processes and automate them, explain the role of BPEL, web services, and Enterprise Service Bus (ESB) in SOA, provides insight into the composition of business processes with BPEL, explaining the most important features, compares BPEL to other specifications, give an overview of BPEL servers , and discuss the future of BPEL. This chapter introduces the core concepts of BPEL and explains how to define synchronous and asynchronous business process with BPEL. Readers will be familiar with the structure of BPEL processes, partner links, sequential and parallel prayer service, variables, conditions, etc. Chapter 4 goes deeper in the BPEL specification and includes advanced features for modeling complex business processes. Chapter 5 explains how to use Oracle BPEL Process Manager to deploy and execute business processes defined in BPEL. This chapter also looks at the graphical development of BPEL processes using Oracle BPEL Designer for JDeveloper and Eclipse. Chapter 6 takes a look at the details on advanced features of Oracle BPEL Process Manager includes extension functions, dynamic parallel flows, Web Services Invocation Framework, Java embedding, Notification service, Workflow services, identity services, and Oracle BPEL Server APIs. It explains how to develop business processes in BizTalk and export them to BPEL. It also explains how to import BPEL processes into BizTalk and how to use the Orchestration Designer tool to define processes graphically, and compare the construction of BizTalk and BPEL.