The past several years have seen some significant technology trends, such as
service-oriented architecture (SOA), enterprise application integration
(EAI), business-to-business (B2B), and Web services. These technologies have
attempted to address the challenges of improving the results and increasing
the value of integrated business processes, and have garnered the widespread
attention of IT leaders, vendors, and industry analysts. The enterprise
service bus (ESB) draws the best traits from these and other technology
trends to form a new architecture for integration. The ESB concept is a new
approach to integration that can provide the underpinnings for a loosely
coupled integration network that can scale beyond the limits of a
hub-and-spoke EAI broker.
An ESB is a highly distributed, event-driven, enterprise SOA that is geared
toward integration. It is a standards... (more)
The notion of guaranteed delivery of Java Message Service messages has been
lightly touched on in other recently published articles on JMS. But what
really makes a JMS message "guaranteed"? Should you just take it on faith, or
would you like to know what's behind it?
This article answers these questions via a detailed discussion of message
persistence, internal acknowledgment rules, and message redelivery. Using
excerpts condensed from the book we coauthored, Java Message Service, we'll
explain how JMS guaranteed messaging works - including once-and-only-once
delivery semantics,... (more)
The Java API for XML Messaging (JAXM) is a new Java application programming
interface (API) that provides a standard way for Java applications to send
and receive Simple Object Access Protocol (SOAP) messages. The basic idea is
to allow developers to spend more time building, sending, receiving, and
deconstructing messages for their applications and less time programming
low-level XML communications routines. Developed through the Java Community
Process, JAXM provides a simple yet flexible standard API for developing and
deploying SOAP-based applications that can be truly interop... (more)
Web services have given newfound importance to service-oriented architectures
and promise to drive down the cost of integration by providing a
standards-based approach to interoperability between applications. The
trouble is, what people really want is a new way of doing integration. Until
now, we haven't really had a way to incorporate Web services into a
meaningful architecture for integrating applications and services into a
fabric that spans the extended enterprise in a large-scale fashion. With the
advent of the enterprise service bus we have that architecture.
The Java Bus... (more)
Since releasing my latest book, Enterprise Service Bus (O'Reilly Media,
2004), I have been doing a fair amount of visiting corporations, conducting
seminars, and generally discussing with enterprise architects the subject of
enterprise service-oriented architecture (SOA) and how an enterprise service
bus (ESB) backbone can be leveraged to provide a framework for an enterprise
SOA. Along the way, I have been asked many questions about the nature of an
ESB. I have also fended off some misconceptions that have been growing in the
general IT population regarding what an ESB is and wh... (more)
David Chappell is vice president and chief technologist for SOA at Oracle Corporation, and is driving the vision for Oracle’s SOA on App Grid initiative. 
Darren Anstee
Santosh Varughese
Miska Kaipiainen
Carl J. Levine
Michael Moran
Max Hornostaiev
Zohar Babin
Ryan Boyd
Valentin Bercovici
Deena Thomchick
