Achieving service-oriented architecture : applying an - download pdf or read online

By Rick Sweeney

ISBN-10: 0470622512

ISBN-13: 9780470622513

An entire, accomplished technique and framework for adopting and dealing with a profitable carrier orientated structure surroundings

Achieving Service-Oriented Architecture is helping to establish an SOA structure perform defining the rules, strategies, and criteria that practice not only to IT builders yet to the whole company because it pertains to enterprise applications.

  • Why a brand new architectural procedure is critical in your enterprise to accomplish all of the price SOA has to offer
  • Focuses on constructing an firm structure perform for service-oriented architecture
  • Discusses the implementation and governance techniques for SOA
  • Defines and describes an total architectural framework for coping with SOA resources at an firm structure level
  • Shows find out how to manage and run an SOA company structure perform utilizing the method and framework presented

Defining how an structure perform can remodel itself and what you are promoting to maximise some great benefits of the SOA technique, Achieving Service-Oriented Architecture presents a realistic firm structure process and framework for enforcing and coping with provider orientated structure from a company association and company practices perspective.

Note: CD-ROM/DVD and different supplementary fabrics should not integrated as a part of booklet file.

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Extra info for Achieving service-oriented architecture : applying an enterprise architecture approach

Sample text

There is no unique, isolated, and separately managed block of code that represents an application. The portal code for the authentication of the user and presentation layer services is the same code for all the services used by that user. The individual services consumed by that portal may be the same services consumed by another portal or channel interface. The legacy application integration components of the individual services may be used by several services. Thus, when describing an SOA application to a business owner, we are describing a logical or conceptual view of a subset of shared capabilities, platforms, and networks that make up the “system” components that perform the specific business capability being requested.

Two problems arose from this approach. First, users were required to authenticate to each application they used. Because these systems were built at different times using different technologies, each authentication sign-on was usually different, requiring multiple IDs and passwords. This spawned many new products to address this issue by offering single-sign-on (SSO) capabilities, allowing users to maintain a single ID and password for all the applications they use. While SSO helped to alleviate user authentication complexities, it did nothing to eliminate the overhead associated with the redundancies and complexities of the multiple underlying security systems.

Throughout the remainder of this book, this concept of a top-down approach will be continuously expanded and evolved. I felt it was important to introduce it early and let you evolve toward its full understanding. As you advance through the book, you will see that its evolution will impact everything your business and IT organizations do. As you learn more, you will see that a top-down approach impacts: How an architecture practice is organized and functions. How governance needs to be restructured.

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Achieving service-oriented architecture : applying an enterprise architecture approach by Rick Sweeney


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