SOA Made Simple
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Sample Chapters
  • Get to grips with clear definitions of ‘Service’ and ‘Architecture’ to understand the full SOA picture
  • Read about SOA in simple terms from Oracle ACE Directors for SOA and Middleware in this book and e-book
  • A concise, no-nonsense guide to demystifying Service Oriented Architecture

Book Details

Language : English
Paperback : 292 pages [ 235mm x 191mm ]
Release Date : December 2012
ISBN : 1849684162
ISBN 13 : 9781849684163
Author(s) : Lonneke Dikmans , Ronald van Luttikhuizen
Topics and Technologies : All Books, Enterprise Products and Platforms, Enterprise, SOA

Table of Contents

Preface
Chapter 1: Understanding the Problem
Chapter 2: The Solution
Chapter 3: Service Identification and Design
Chapter 4: Classification of Services
Chapter 5: The SOA Platform
Chapter 6: Solution Architectures
Chapter 7: Creating a Roadmap, How to Spend Your Money and When?
Chapter 8: Life Cycle Management
Chapter 9: Pick your Battles
Chapter 10: Methodologies and SOA
Index
  • Chapter 1: Understanding the Problem
    • The importance of information
      • Example – insurance company
      • Mismatch between business and IT
      • Duplication of functionality and data
      • Example – insurance company
      • Process silos
        • Example – utility companies
        • Example – international software company
        • Example – insurance company
      • Strategies to stay ahead
        • Example – a software company
    • Architecture as a tool
      • Layering of architecture
      • Models
        • Requirements
      • Architecture ontology
        • Enterprise architecture
        • Reference architecture
        • Solution architecture
        • Project architecture
        • Software architecture
        • Service Oriented Architecture
    • Summary
    • Chapter 2: The Solution
      • What is a service?
        • Elements of a service – contract, interface, and implementation
          • Example – let's have breakfast
          • Example – ordering a passport
          • Consumer and provider
        • From sunny-side-up eggs to IT
          • Example – international software company revisited
          • Consumer and provider
      • Drivers for services
        • Common myths
          • Every service has to be automated by software
          • Every service is a web service
          • Consumers of services are always IT systems
      • Putting it together – what is SOA?
      • Solutions
        • Example – utility company
        • International software company – changing existing processes
        • Functional duplication – rationalizing application landscapes
        • Standardization – enabling change
      • Summary
      • Chapter 3: Service Identification and Design
        • Service identification
          • Top-down
            • Example of top-down service identification
          • Bottom-up
          • Meet in the middle
          • I have identified my services, now what?
        • Service design
          • Provide value
          • Meaningful
          • Implementation hiding
          • Trust
          • Idempotent
          • Isolated
          • Interoperable
          • Isolation
            • Example: print service
          • Trust
            • Security
            • Fault-prevention and handling
          • Idempotency
            • Idempotency and statefulness
          • Granularity
            • How big should my lasagna be?
            • Classification
          • Reusability
            • Example – reusability
        • Example – good or bad service?
        • Service definition revisited
        • Summary
        • Chapter 4: Classification of Services
          • Service classification revisited
            • Example – insurance company
            • Other classifications
              • Actor type
              • Channel
              • Organizational boundaries
              • Security level
              • Architectural layer
            • Combining classifications
            • Why classify your services?
          • Composability
            • Aggregation versus orchestration
              • Example – DocumentService as a composite service
          • Elementary services
            • Realization
          • Composite services
            • Where to put the composition logic?
            • Implementation
              • Example 1 – database link
              • Example 2 – service invocation
          • Process services
            • Implementation
          • Isolation and composition – a contradiction?
          • Passing information from smaller to larger services
          • Summary
          • Chapter 5: The SOA Platform
            • Overview
            • Services
              • Implementation
                • Using existing software
                • Build the implementation
              • Interfaces
                • Proprietary interfaces
                • Web services
              • Contracts and Policies
            • Events
              • Interfaces for events
            • Service composition
              • Enterprise Service Bus
              • Business Process Management
              • Case Management
            • Business rules
            • User interface
              • Integrated user interfaces
              • Information mismatch
            • Security
              • Applying security in your SOA
            • Service registry and service repository
              • Canonical Data Model
            • Design tooling
            • Development tooling
            • Example – Order-to-cash revisited
              • Designing the solution
              • Developing the solution
              • Running the solution
            • Summary
            • Chapter 6: Solution Architectures
              • Comprehensive suite or best of breed
              • Comparison
              • Oracle
                • Services
                • Events
                  • Oracle Event Processing (OEP)
                  • Business Activity Monitoring (BAM)
                • Service composition
                  • Oracle Service Bus
                  • Oracle SOA Suite
                  • Oracle BPM Suite
                • Business rules
                • User interface
                • Security
                • Registry and repository
                • Design tooling
                  • Design tooling for developers
                  • Design tooling for business analysts
                • Development tooling
                • Test tooling
                  • Testing transformations
                  • SCA testing framework
                  • Testing from the console
                • Deployment tooling
                  • Deployment from the IDE
                  • Deployment from the console
                  • Deployment using scripting
                • Monitoring
                • Error handling
              • IBM
                • Services
                • Events
                  • WebSphere Operational Decision Management
                  • IBM Business Monitor
                • Service composition
                  • IBM WebSphere Enterprise Service Bus
                  • IBM Business Process Manager
                • Business rules
                • User interface
                • Security
                • Registry and repository
                • Design tooling
                  • Services
                  • Composite services
                • Development tooling
                • Test tooling
                • Deployment tooling
                  • Deployment from the IDE
                  • Deployment from the web interface of the server
                  • Deployment scripts
                • Monitoring
                • Error handling
              • Microsoft
                • Services
                • Events
                  • Message-oriented middleware
                  • Complex Event Processing (CEP)
                  • Business Activity Monitoring
                • Service composition
                  • BizTalk Server
                  • Windows Server AppFabric
                • Business rules
                • User interface
                • Security
                • Registry and repository
                • Design tooling
                • Development tooling
                • Test tooling
                • Deployment tooling
                  • BizTalk Server
                • Monitoring
                • Error handling
              • Summary
              • Chapter 7: Creating a Roadmap, How to Spend Your Money and When?
                • Organize the SOA effort
                • Business case – benefits for different stakeholders
                  • Business case explained
                  • Company as a whole
                    • Example 1 – insurance company WATB needs shorter time to market
                    • Example 2 – insurance company TPIR needs to decrease operational cost
                  • IT
                    • Example – insurance company TMS needs to consolidate systems
                  • Departmental benefits
                    • Example – insurance company X wants to cut cost
                    • Analysis of the scenarios
                • Approaches
                  • Example – Document Management Service
                  • Top-down identification
                  • Bottom-up identification
                  • Meet in the middle
              • Roadmap
                • Work packages
                  • Service by service
                  • Process by process
                  • Feature by feature
                  • System by system
                  • Comparison
              • Maturity and stages
                • Stage 0: Starting with SOA
                • Stage 1: Newlyweds
                • Stage 2: Live
                • Stage 3: Growing up
                • Stage 4: Experience
                • Stage 5: Maintenance
              • Summary
                • Chapter 8: Life Cycle Management
                  • Service stages
                  • Versioning of services
                    • Type of change – contract, interface, and implementation
                      • Changing the contract
                      • Changing the interface
                      • Changing the implementation
                    • Versioning schemes
                      • Versioning and life cycle stages
                      • Making the version explicit for service consumers
                    • Communicating change
                  • Tooling
                    • Standards
                    • Information needed
                      • Find services
                      • Troubleshooting
                      • Change process
                    • Registries and repositories in your IT landscape
                      • Enterprise architecture tools
                      • Business Process Management tool
                      • Configuration Management Database
                      • Bug and issue tracker system
                      • ESB
                      • Business Activity Monitoring
                      • Infrastructure monitoring
                  • Summary
                  • Chapter 9: Pick your Battles
                    • Governance
                    • Architecture process
                      • Ad hoc business need
                        • Define the solution
                        • Deviations
                        • Integration in the solution architecture
                      • Planned feature
                      • Pick your battles
                    • Development process
                      • Pick your battles
                    • Operations
                      • Pick your battles
                    • Change management
                      • Pick your battles
                    • Summary
                    • Chapter 10: Methodologies and SOA
                      • Demand management
                        • Methodology
                        • Impact of SOA
                      • Project management
                        • Methodology
                        • Impact of SOA
                      • Software development
                        • Methodology
                        • Impact of SOA
                      • Application management
                        • Methodology
                        • Impact of SOA
                      • IT service and operations management
                        • Methodology
                        • Impact of SOA
                      • Summary

                      Lonneke Dikmans

                      Lonneke Dikmans lives in the Netherlands with her husband and two children. She graduated with a degree in cognitive science from the University of Nijmegen in the Netherlands. She started her career as a usability specialist but went back to school when she lived in California to pursue a more technical career. She started as a JEE developer on different platforms such as Oracle and IBM, and specialized in integration. She now works as an architect, both on projects and as an enterprise architect. She has experience in different industries such as financial services, government, and utilities. She advises companies that want to set up Service Oriented Architecture and Business Process Management. Lonneke was one of the first five technical experts to be recognized as an Oracle Fusion Middleware Regional Director in 2005. In 2007, the program was renamed and is now known as the Oracle ACE program. Lonneke is a BPMN certified professional and was awarded the title of Oracle Fusion Middleware developer of the year by Oracle Magazine in 2007. Lonneke is the managing partner of Vennster with Ronald van Luttikhuizen. Vennster is a knowledge-driven organization. Vennster’s single most important ambition is to help her customers improve their products and services by improving the quality of the information flow. This is accomplished by offering services in the areas of User Experience, Business Process Management, and Service Oriented Architecture. Lonneke has contributed to the Oracle SOA Suite 11g Handbook, Oracle Press by Lucas Jellema that was published in 2011. She publishes on a regular basis in magazines and on the internet, participates in podcasts, and speaks at international conferences about Service Oriented Architecture and Business Process Management.

                      Ronald van Luttikhuizen

                      Ronald van Luttikhuizen lives in Nijmegen, the Netherlands with his partner Susanne. He has over 10 years of experience in IT. Ronald studied Computer Science at the University of Utrecht and University of Wisconsin – Madison and received his MSc degree in 2003. Ronald creates valuable solutions for the business using a structured approach to Service Oriented Architecture. He takes into account both technical and functional aspects of a process to come up with a feasible solution. Ronald worked in projects for government, financials, energy, logistics, and services. Ronald has experience in various roles such as architect, project lead, information analyst, software developer/designer, coach, trainer, team lead, and consultant in a wide variety of enterprise applications. He started his career as a specialist in analysis and design, application development, and application and process integration. The main technology focus in these projects were UML, Java, and XML. In later years, Ronald focused on architecture within service-oriented environments and other types of EAI environments, describing the to-be architecture, defining roadmaps, guiding implementation, and building parts of the solution. Ronald is a speaker at (international) conferences and regularly publishes articles on Oracle Technology Network, his blog, Java Magazine, Optimize, and participates in OTN ArchBeat Podcasts. In 2008, Ronald was named Oracle ACE for SOA and middleware. Ronald was promoted to Oracle ACE Director in 2010. Ronald wrote several chapters for the Oracle SOA Suite 11g Handbook, Oracle Press by Lucas Jellema and served as a technical reviewer for the book. The book was published in 2011.

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                      Errata

                      - 1 submitted: last submission 14 Nov 2013

                      Errata type: Graphics | Page number: 73-74

                      In Chapter 3, under the Granularity section, the first two images are reversed.

                      It should be:

                      In Page: 73

                      "Three-tiered architectures consisting of web clients, a middleware component
                      containing most of the business logic, and a datastore that stores the information  
                      has been advertised in the past as a solution to monolithic systems. Although 
                      three-tiered architectures offer decoupling between its horizontal technical layers,  
                      a large system can still be designed and developed as one monolith of different
                      layers in which the layers themselves become monoliths, that is one very big 

                      lasagna, so to speak. Three-tiered architecture isn't flawed, but it shouldn't be
                      applied on your IT landscape or large part of it as a whole as depicted in the
                      following figure:

                      Instead we want to differentiate vertically, based on functionality, providing a limited
                      and independent set of capabilities  exposed by operations that belong together.

                      Services and three-tiered architectures can go hand-in-hand by applying three-tiered
                      architecture to the implementation of services resulting in several smaller lasagnas.
                      Now each lasagna can be changed without impacting other lasagnas. Using this
                      approach, changing business logic and data becomes easier since it is  separated
                      (decoupled) from the other business logic and data layers in other services.

                       

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                      What you will learn from this book

                      • Start logically by understanding the misalignment of IT and Business and the problems it causes
                      • Gradually learn about the solution to this misalignment with SOA concepts such as service, solution architecture, and more
                      • Put together clear definitions of ‘Service’ and ‘Architecture’ to understand the full SOA picture
                      • Fully understand how to distinguish between both well and badly designed services and pinpoint the reasons for each
                      • Get to grips with the different service layers, guidelines and principles of service design
                      • Learn about the building blocks of SOA, like BPM and Enterprise Service Bus
                      • Dive into the realization and maintenance of your SOA once the concept is clear
                      • Think about SOA in historic perspective: the evolution from EAI, CBD, OO and so on
                      • Understand how to pick your battles once you finally get started with SOA to make it a successful effort in your own organization!

                      In Detail

                      SOA is an industry term which is often preached like a religion rather than taught like a technology, and over time, grasping the concept has become unnecessarily difficult. Many companies proclaim that they don’t know where to begin with SOA, while others have begun their SOA effort but haven’t reaped the benefits they were convinced it would bring. “SOA Made Simple” unveils the true meaning of Service Oriented Architecture and how to make it successful so that you can confidently explain SOA to anyone!

                      “SOA Made Simple” explains exactly what SOA is in simple terminology and by using real-life examples. Once a simple definition is clear in your mind, you’ll be guided through what SOA solves, when and why you should use it, and how to set up, design and categorize your SOA landscape. With this book in hand you’ll learn to keep your SOA strategy successful as you expand on it.

                      “SOA Made Simple” demystifies SOA, simply. It is not difficult to grasp, but for various reasons SOA is often made unnecessarily complex. Service-orientation is already a very natural way of thinking for business stakeholders that want to realize and sell services to potential clients, and this book helps you to realize that concept both in theory and practice.

                      You’ll begin with a clear and simple explanation of what SOA is and why we need it. You’ll then be presented with plain facts about the key ingredients of a service, and along the way learn about service design, layering and categorizing, some major SOA platform offerings as well as governance and successful implementation.

                      After reading “SOA Made Simple” you will have a clear understanding of what SOA is so you can implement and govern SOA in your own organization.

                      Approach

                      “SOA Made Simple” is a concise and indispensable handbook for finally understanding exactly what Service Oriented Architecture is. Split into three clear sections, in this book you’ll learn from both theory as well as step-by-step implementation examples to aid in your understanding of this often poorly- articulated industry term.

                      Who this book is for

                      If you are an architect who wants to be completely clear in your understanding of what SOA is, then this book is essential. In fact, anyone (designer, developer, administrator or team lead) who is implementing or about to implement an architecture in an IT environment should not miss out on “SOA Made Simple”.

                      Some previous experience with general software architecture is required, but this guide will tell you everything you need to know about SOA in a clear and easy fashion.

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