BPEL Cookbook: Best Practices for SOA-based integration and composite applications development
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Books Reviews Business
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Written by Rohan
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Thursday, 16 November 2006 |
Matjaz Juric, Stany Blanvalet, Jeremy Bolie, Michael Cardella, Sean Carey, Praveen Chandran, Yves Coene, Kevin Geminiuc, Arun Poduval, Lawrence Pravin, Jerry Thomas, Doug Todd, The Hoa Nguyen, Markus Zirn, Harish Gaur
Ten practical real-world case studies combining business process management and web services orchestration
Real-world BPEL recipes for SOA integration and Composite Application development
Combining business process management and web services orchestration
Techniques and best practices with downloadable code samples from ten real-world case studies
In More Detail
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Language English
Paperback 188 pages [191mm x 235mm]
Release date
July 2006
ISBN 1904811337
Author(s)
Matjaz Juric, Stany Blanvalet, Jeremy Bolie, Michael Cardella, Sean Carey, Praveen Chandran, Yves Coene, Kevin Geminiuc, Arun Poduval, Lawrence Pravin, Jerry Thomas, Doug Todd, The Hoa Nguyen, Markus Zirn, Harish Gaur
Topics and Technologies
Web Services SOA BPEL, Architecture and Analysis, Java
This
book is not just another generic set of Service Oriented Architecture
(SOA) best practices with only general recommendations and advice:
instead it’s a unique cookbook that shows you how SOA applications are
built using best practices that are proven in 10 real-world scenarios. The
book consists of three sections. The first two sections will inspire
you. They showcase real-life projects on BPEL-based integration and
development of composite applications. You’ll see that SOA is a reality
today, learn what successful implementations are like, and how SOA can
work for you right now. It will encourage you to take a plunge into the
world of services and test-drive SOA yourself. If you are already in
the middle of an SOA implementation, these sections will offer you
fresh insight into your current approach, help you to deal with
specific business challenges, and make sure what you do is in line with
the best practice.The third section will equip you with BPEL
techniques to build better SOA applications. These techniques represent
the practical implementation of best practice, with code snippets
ranging from development to administration of an SOA application. They
are generic enough to be applied in any of your existing projects yet
specific enough to enable you reap the full benefits from your SOA
implementation.
"EDS is making use of BPEL as part
of our Agile Enterprise Strategy. We use it internally and as part of
our solution that we provide to our clients.
The
real-life experiences in this book are an excellent way for you to
understand how Service Oriented Architecture can work for you right now"
- J.R. Jesson, CTO, EDS Application Portfolio Development
"BPEL
has emerged as the leading industry standard for Web services
orchestration and coordination of business processes. This book offers
a unique opportunity to learn from ten of the most advanced adopters of
BPEL.
Listen to how your peers drive value from building composite services and putting them into business processes."
- Stephen D. Hendrick, Group Vice President, Application Development and Deployment Research, IDC
Service Oriented Architecture is generating a buzz across the whole
IT industry. Propelled by standards-based technologies like XML, Web
Services, and SOAP, SOA is quickly moving from pilot projects to
mainstream applications critical to business operations. One of the key
standards accelerating the adoption of SOA is Business Process
Execution Language for Web Services (BPEL).
BPEL was created
to enable effective composition of web services in a service-oriented
environment. In the past two years, BPEL has become the most
significant standard to elevate the visibility of SOA from IT to
business level. BPEL is not only commoditizing the integration market,
but it is also offering organizations a whole new level of agility –
ability to rapidly change applications in response to the changing
business landscape. BPEL enables organizations to automate their
business processes by orchestrating services within and across the
firewall. It forces organizations to think in terms of services.
Existing functionality is exposed as services. New applications are
composed using services. Communication with external vendors and
partners is through services. Services are reused across different
applications. Services are, or should be, everywhere!
Read the full BPEL Cookbook Table of Contents
In the Packt book Business Process Execution Language for Web Services
by Matjaž Juric, we learnt about the building blocks and how these
technologies could be used to build a simple SOA solution. As
organizations increase their SOA footprint, IT Managers, Architects,
and developers are starting to realize that the impact of SOA on IT and
business operations can be immense. After having gained confidence with
web services, they want to take it to the next level. However, adopters
are challenged with some basic questions – How do I SOA-enable my
existing integration investment? Can I build flexible and agile
business processes? How can I administer my SOA environment without
spending a fortune? There have been various best practices defined
around SOA, but to date these have been somewhat abstract and lacking a
real-world basis. The IT community is looking for real-world examples;
examples of how other companies are embarking on an SOA initiative and
how to apply that industry learning to their own projects.
What
makes this a Cookbook? After you have been exposed to the different
ingredients (BPEL, WSDL, and web services), this book takes the
adventure to the next level by helping you cook new recipes (SOA
applications) using efficient kitchen techniques (best practices). 10
SOA practitioners have gotten together to share their SOA best
practices and provide practical viewpoints to tackle many of the common
problems SOA promises to solve. Their recommendations are based on
projects in production; their existing projects could be your next
ones. Through this process you’ll learn the techniques and gain the
confidence to create and deliver the recipe that’s right for your
particular situation.
Chapter 1 focuses on a very common
business problem: siloed applications and segregated data glued
together using proprietary integration solutions. How can we best
leverage SOA to add value on top of existing integration
infrastructure? By service-enabling existing data integration
processes, business processes could be easily automated by
orchestrating underlying services. Infosys, a leading systems
integrator, has helped many of its customers leverage their existing
EAI investment, and here Praveen Chandran and Arun Poduval show you how
it does it. In this chapter, they take an example of broken customer
data synchronization between Siebel and SAP and outline a strategy to
automate this process by integrating with proprietary integration
solutions like TIBCO and webMethods.
Driven by the business
requirements of different departments, countries, and subsidiaries,
many organizations end up with multiple ERP systems. The result is data
fragmentation and manual processes. This, in turn, leads to poor
customer service and loss of revenue. How can you address this problem
without re-architecting the entire solution? In Chapter 2, Sierra
Atlantic, a leading consulting firm with specialization in the
integration technologies, encountered similar issue with its client. In
this chapter, Lawrence Pravin, Architect at Sierra Atlantic, takes an
example of a broken sales order creation process. He walks you through
a step-by-step approach to automate it across PeopleSoft HR and Oracle
E-Business Suite using BPEL in a service-oriented approach.
Not
all integrations are limited within the enterprise. Processes interact
with applications, people, and partners. You might have heard the term
Business-to-Business (B2B) frequently in the past few years. How can
organizations build a network of services spanning multiple
organizations? The European Space Agency built such a network of web
services across 20+ partners in 9 different countries. The primary
purpose of this network is to offer Earth Observation and Geographic
Information System services to consumers. Chapter 3 presents an initial
strategy of how to architect and design a service oriented
partner-friendly network using web Services and BPEL for orchestration.
The focus is on four important aspects of network design: Defining
partner relationships, enabling partner provisioning, offering a
central registry of available services, and empowering partners and
end-users.
Organizations have processes and processes have
rules. Processes need to be automated. Rules need to be defined
intuitively. BPEL automates process and a Rules Engine automates
policies. These rules essentially drive the processes. IT organizations
have so far struggled to delineate business processes from rules
leading to operational inconsistency and duplication. Policy Studies
Inc. provides an approach to segregate rules from processes and offers
a blueprint to expose rules as services for building cleaner
applications. Using BPEL and a rules engine, PSI has built a shared
services platform to perform Medicare eligibility processing for
different states. Kevin Geminiuc, former architect at PSI, explains in
Chapter 4 the development strategy to integrate BPEL with a rules
engine resulting in a solution that is more agile and flexible. With
this approach, it is possible to change a business process without
touching policies. Policies can be changed graphically without
affecting the business processes.
As we discussed before,
processes interact with applications, people, and partners. How can we
build an application that enables business users to interact with
processes seamlessly? Applications should be built to enhance end-user
experience. Enterra Solutions marries the world of SOA with the world
of Web 2.0. In Chapter 5, Doug Todd, CTO of Enterra, presents a
strategy to extend BPEL workflow in a rich user interface and build an
application that not only automates processes but also ups the ante in
terms of aesthetic appeal. It also represents a unique approach to
customize a platform, which is SOA ready.
BPEL provides an
opportunity to bring business and IT together. Business can help define
the key processes and IT provides the necessary infrastructure to run
and automate those processes. Some might argue that BPEL is too
technical to be handed over to analysts for process modeling.
CenterStone software, a provider of workplace management solutions,
addressed this very concern by building a custom designer geared
towards property managers to define processes for workplace management.
CenterStone devised an approach to convert the processes designed using
this custom designer into BPEL processes. Chapter 6 will "inspire" you
to build applications, which will facilitate tighter integration with
your business counterparts. Jerry Thomas, Chief Architect at
CenterStone Software, takes you into the guts of this approach by
explaining how process definition can be stored in the database and how
XQuery and Saxon parser can help you to build an executable BPEL
process from its higher-level process definition.
The benefit of
agility has been belabored exhaustively in the industry. We decided to
go back to basics and offer you a very simple technical insight into
how SOA enables business agility. Agility is directly correlated to the
ability to quickly respond to business changes. By using dynamic
partner links, processes can effectively change their behavior to adapt
themselves to external business conditions and thereby offer
flexibility. SPS Commerce, provider of hosted EDI solutions, has built
an SOA-enabled platform for enabling seamless exchange of EDI documents
between different entities. In Chapter 7, SPS Commerce will explain the
significance of dynamic partner links and walk you through a
step-by-step guide to implement partner links in a sample
loan-processing scenario. This approach will enable you to quickly
add/delete service providers participating in a business process
without actually changing the process.
Organizations operate in
a heterogeneous environment. Applications are built using different
technologies, from different vendors and different implementers. As you
start building a process, you will realize that the underlying
applications are not necessarily web services. More often than not,
they are either .NET applications or applications built using J2EE i.e.
either purchased applications or home grown Java Applications. Matjaž
Juric, author of the Packt book ‘Business Process Execution Language
using Web Services’ presents in Chapter 8 a strategy to integrate with
Java resources using Web Services Invocation Framework (WSIF). Matjaž,
professor of Computer Science at the University of Maribor, argues that
although it is possible to expose these applications as web services
and use them in the process, accessing these resources natively can
improve the application performance significantly.
The success
of any service in the SOA world depends upon its degree of reusability,
which in turn, depends upon the quality of service offered. As you run
your SOA applications, many things could go wrong. Network connections
may be lost, participating applications may go down, incoming data
might be corrupted, etc. These external interruptions can degrade the
quality of a particular application. How can you design an application
that can withstand all these failures and still emerge as a winner?
Qualcomm encountered this specific issue while leveraging SOA to build
an Entitlement Provisioning application. Presented in the fashion of a
step-by-step tutorial, Jeremy Bolie, IT Manager and Michael Cardella,
Architect at Qualcomm, shares with you in Chapter 9 a strategy to
design a reusable BPEL process capable of offering any service capable
of defeating rectifiable errors.
Chapter 10, which is the last
chapter of the book, deals with an important aspect of any application
– maintenance. More dollars are spent in maintenance and enhancement of
an application than the combined amount spent during the design,
development, and testing phases of any application. Once the
application is deployed into production, the real work begins.
Belgacom, one of the leading telecommunications companies in Belgium,
has automated the DSL service provisioning and diagnosis using BPEL.
Having been in production for a long time, Belgacom has vast practical
experience in managing a BPEL infrastructure. In this chapter, Stany
Blanvalet, former architect at Belgacom, explains various strategies
for managing a BPEL production environment. This is a must read for all
BPEL administrators.
This book is aimed at architects and developers building applications
in Service Oriented Architecture. The book presumes knowledge of BPEL,
SOA, XML, web services, and multi-tier architectures.
Book Editors
Markus Zirn
Markus
Zirn is a Senior Director of Product Management for Oracle Fusion
Middleware. In this role he heads the Strategic Customer Program, where
he works with Oracle's leading and most innovative middleware
customers. He has been part of the Enterprise Software industry for
more than 10 years, including roles as Vice President of Product
Marketing and part of the founding team of QUIQ and as a Management
Consultant of Booz Allen & Hamilton's Silicon Valley High Tech
Practice. Markus' passion for Service-Oriented Architecture (SOA) and
BPEL stems both from practical experience designing and optimizing
business processes as part of process reengineering projects and from
being part of the advent of "software as a service" before web services
became mainstream. He holds a Masters of Electrical Engineering from
the University of Karlsruhe and is an alumnus of the Tripartite
program, a joint European degree from the University of Karlsruhe,
Germany, the University of Southampton, UK, and ESIEE, France.
Harish Gaur
Harish
Gaur has more than 10 years of experience in the enterprise software
industry. He is currently the Group Product Manager for Fusion
Middleware at Oracle. In his current role, he works closely with
strategic customers implementing Service-Oriented Architecture using
Oracle SOA technology. Harish's expertise in Service-Oriented
Architecture (SOA) draws from an extensive hands-on experience with
Business Process Management (BPM) and Enterprise Application
Integration (EAI).
Before Oracle, he worked as a Solution
Specialist with Vitria Technology educating customers about the
benefits of Business Process Management. Prior to that, he helped
Fortune 500 companies architect scalable integration solutions using
EAI tools like webMethods and CrossWorlds (now IBM). Harish holds an
engineering degree in Computer Science and is an MBA from Haas School
of Business, UC Berkeley. He lives in Fremont, CA with his wife Swati
and son Agastya.
Matjaz Juric
Matjaz B. Juric holds a Ph.D. in computer and information science. He
is Associate Professor at the University of Maribor. In addition to
this book, he has coauthored Professional J2EE EAI, Professional EJB,
J2EE Design Patterns Applied, and .NET Serialization Handbook,
published by Wrox Press. He has published chapters in More Java Gems
(Cambridge University Press) and in Technology Supporting Business
Solutions (Nova Science Publishers). He has also published in journals
and magazines, such as Java Developer's Journal, Java Report, Java
World, Web Services Journal, eai Journal, theserverside.com, OTN, ACM
journals, and presented at conferences such as OOPSLA, Java
Development, XML Europe, OOW, SCI, and others. He is a reviewer,
program committee member, and conference organizer. Matjaz has been
involved in several large-scale object technology projects. In
cooperation with IBM Java Technology Centre, he worked on performance
analysis and optimization of RMI-IIOP, integral part of the Java
platform.
Matjaz is author of courses and consultant for the BPEL and SOA
consulting company BPELmentor.com. For more information, please visit www.bpelmentor.com.
Stany Blanvalet
Stany Blanvalet is a BPEL and J2EE consultant. Previously, working as a
Java EE architect, Stany introduced and administered Belgacom's
BPEL-based DSL provisioning application, a mission-critical BPEL
production system. He is a contributor to the Jaisy-ORABPEL Interface
project , an open-source JMX monitoring tool for Oracle BPEL Process
Manager. Stany Blanvalet contributed Chapter 10.
Jeremy Bolie
Jeremy Bolie is a Senior IT Manager at QCT, managing the custom
applications and Documentum development team. Jeremy has over 10 years
of experience with Java and Oracle technologies, and has been involved
with web services and Service-Oriented Architectures since the late
1990s. Jeremy Bolie and Michael Cardella worked together on Chapter 9.
Michael Cardella
Michael Cardella is a Staff Engineer at Qualcomm CDMA Technologies
(QCT). Michael works in the custom applications development team,
primarily on web-service- and business-process-related applications.
Previously he served as Principal Architect for a leading web services
security and management product.
Sean Carey
Sean Carey is a Software Architect at SPS Commerce, a leader in hosted
EDI. Sean has over seven years of experience in mission-critical
e-commerce implementations, and 15 years of industry experience in
software design. Sean Carey gave us Chapter 7.
Praveen Chandran
Praveen Chandran works in the EAI practice of Infosys Technologies
Ltd., focusing on platforms and technologies such as TIBCO, Vitria, and
web services/BPEL.
Yves Coene
Yves Coene currently works for SpaceBel SA in Brussels as Project
Manager. He has 15 years of experience in aerospace software projects
such as Ariane 5, the International Space Station, F16 MLU, and various
other projects for the European Space Agency. Since 2001, he and his
team have been responsible for the SSE project for ESA in Frascati,
Italy.
Kevin Geminiuc
Kevin Geminiuc currently works as a senior software architect in
Denver. Over the last 15 years, Kevin has worked as a systems
architect, technical manager, developer, and hardware engineer. Kevin's
technical interests include SOA, RFID, AVL, and genetic software. Kevin
contributed Chapter 4 for this book.
Arun Poduval
Arun Poduval also works in the EAI practice of Infosys Technologies
Ltd., specializing in similar technologies. Praveen Chandran and and
Arun Poduval worked together on Chapter 1.
Lawrence Pravin
Lawrence Pravin is the Product Manager, Process Integration Packs,
Sierra Atlantic Inc. Process Integration Packs deliver end-to-end
business process integration solutions between enterprise applications.
He has over 10 years of rich experience in packaged applications, and
has deep integration expertise with Oracle, PeopleSoft, Siebel, and SAP
applications. Lawrence Pravin worked on Chapter 2 for this book.
Jerry Thomas
Jerry Thomas is Chief Architect at CenterStone Software, which helps
many of the world's largest organizations automate and manage their
real estate, facilities, personnel, assets, leases, and workplace
operations more efficiently. Thomas focuses on CenterStone's enterprise
workplace management product and web services, BPEL, and system
infrastructure. Prior to CenterStone, Thomas worked as a consultant and
held principal development positions at Riverton, ONTOS, and
Hewlett-Packard. Jerry Thomas wrote Chapter 6 for this cookbook.
Doug Todd
Doug Todd is CTO of Enterra Solutions in Yardley, PA. He has more than
20 years of experience in systems architecture, applications
architecture, systems integration, and applications integration with
major corporations. Todd is responsible for Enterra's overall IT
strategy and tactical implementation, enterprise information
architecture, and technology product offerings. Doug Todd worked on
Chapter 5.
The Hoa Nguyen
The Hoa Nguyen currently works for the SDC subsidiary of SpaceBel SA in
Brussels as senior software engineer. His main interests are J2EE, web
services, and workflow development with BPEL. Since 2001, he has been
one of the lead engineers of the SSE project team at SpaceBel and is
also in charge of SSE software releases and on-site SSE software
installations at ESA. The Hoa Nguyen and Yves Coene contributed Chapter
3.
Markus Zirn
Markus Zirn is a Senior Director of Product Management for Oracle
Fusion Middleware. In this role he heads the Strategic Customer
Program, where he works with Oracle's leading and most innovative
middleware customers. He has been part of the Enterprise Software
industry for more than 10 years, including roles as Vice President of
Product Marketing and part of the founding team of QUIQ and as a
Management Consultant of Booz Allen & Hamilton's Silicon Valley
High Tech Practice. Markus' passion for Service-Oriented Architecture
(SOA) and BPEL stems both from practical experience designing and
optimizing business processes as part of process reengineering projects
and from being part of the advent of "software as a service" before web
services became mainstream. He holds a Masters of Electrical
Engineering from the University of Karlsruhe and is an alumnus of the
Tripartite program, a joint European degree from the University of
Karlsruhe, Germany, the University of Southampton, UK, and ESIEE,
France.
Harish Gaur
Harish Gaur has more than 10 years of experience in the enterprise
software industry. He is currently the Group Product Manager for Fusion
Middleware at Oracle. In his current role, he works closely with
strategic customers implementing Service-Oriented Architecture using
Oracle SOA technology. Harish's expertise in Service-Oriented
Architecture (SOA) draws from an extensive hands-on experience with
Business Process Management (BPM) and Enterprise Application
Integration (EAI).
Before Oracle, he worked as a Solution Specialist with Vitria
Technology educating customers about the benefits of Business Process
Management. Prior to that, he helped Fortune 500 companies architect
scalable integration solutions using EAI tools like webMethods and
CrossWorlds (now IBM). Harish holds an engineering degree in Computer
Science and is an MBA from Haas School of Business, UC Berkeley. He
lives in Fremont, CA with his wife Swati and son Agastya.
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