Business Process Execution Language (BPEL), one of the key technologies for
Service Oriented Architecture (SOA), has become the accepted mechanism for
defining and executing business processes in a common vendor-neutral way.
Companies ranging from Oracle, IBM, Microsoft, SAP, and BEA to smaller
organizations such as Fuego and Lombardi have committed to BPEL as a building
block for SOA. BPEL, which has been designed specifically for defining
business processes, supports typical interactions such as synchronous and
asynchronous operation invocation, sequential and parallel flows, message
correlations, fault and compensation handlers and activities triggered by
events. Business processes often require human interactions as well.
Since the BPEL specification doesn't address ... (more)
Last month's article "J2EE As the Platform for EAI" (JDJ, Vol. 7 issue 3)
discussed the suitability of the J2EE platform for EAI (Enterprise
Application Integration). This article addresses more advanced integration
topics, particularly transaction and security, support for Web services, and
an overview of J2EE application servers.
EAI enables concurrent access to data and functionality s... (more)
Today Web services are believed to be the crucial technology for e-business.
Technically, they don't differ considerably from distributed components, such
as EJB (Enterprise JavaBeans), CORBA (Common Object Request Broker
Architecture), or even COM+ (Component Object Model). Web services have:
An XML-based transport protocol: SOAP (Simple Object Access Protocol) An
XML-based language that ... (more)
An enterprise platform has to provide ways to integrate with existing systems
and applications. The fact is, most companies have applications and they
don’t exist in isolation. New applications developed on the J2EE platform
need to be integrated with other applications. Although this might sound
relatively simple, we must be aware that companies need fully integrated
information systems... (more)
Dr Matjaz B. Juric is a professor at the University of Maribor. He is the author of Business Process Execution Language for Web Services, 2nd Edition, published by Packt Publishing (www.packtpub.com), and several other books, articles, and conference presentations. He is also the author of courses offered by BPELmentor.com - a training, mentoring, and consulting company (www.BPELmentor.com).
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