By William M. Ulrich
Each significant firm has an important put in base of latest software program platforms that mirror the tangled IT architectures that outcome from many years of patches and failed replacements. every one of these platforms have been designed to help enterprise architectures that experience replaced dramatically. At most sensible, those platforms prevent agility and competitiveness and, at worst, can deliver severe enterprise services to a halt. Architecture-Driven Modernization (ADM) restores the price of entrenched platforms through taking pictures and retooling quite a few points of present program environments, permitting outdated infrastructures to bring renewed worth and align successfully with company recommendations and enterprise architectures. This publication presents a pragmatic consultant to corporations looking how one can comprehend and leverage latest structures as a part of their details administration suggestions. It contains an creation to ADM disciplines, instruments, and criteria in addition to a chain of situations outlining how ADM is utilized to numerous tasks. Drawing upon classes discovered from actual modernization initiatives, it distills the speculation and explains ideas, techniques, and top practices for each undefined. * Acts as a one-stop procuring reference and whole advisor for enforcing quite a few modernization types in myriad industries and departments.* each proposal is illustrated with real-life examples from quite a few modernization tasks, permitting you to right away follow demonstrated strategies and spot results.* Authored by way of the Co-chair of the item administration workforce (OMG) Architecture-Driven Modernization (ADM) activity strength, which units definitive structures modernization criteria for the total IT industry.* an internet site helps the booklet with modern assurance of evolving ADM requisites, Tutorials, and Whitepapers, permitting you to stay modern on modernization issues as they boost.
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Extra resources for Information Systems Transformation: Architecture-Driven Modernization Case Studies (The MK OMG Press)
Example text
Major tasks include: n n n n Application Data Definition Extraction: This serves as the baseline step for creating a bottom-up view of existing application data. These data definitions should have been semantically rationalized and standardized as part of the refactoring phase of a project because most systems have highly redundant, cryptic, and inconsistent data definitions. Logical Data Derivation: Provides a first cut view of a new logical data model using existing definitions as the source.
Application Refactoring and Transformation: Applied to consolidate redundancies or clean up anomalies that should not be transformed into the new target architecture. This step applies necessary system transformations to achieve a new object-based system. Application Redeployment: Produces the new system in the new target environment. This portion of the process takes the modernized application and reproduces it in a newly transformed language and architectural environment. The application redeployment approach is useful for single system transformations, but does not facilitate multi-application and multi-data architecture consolidation and transformation of multiple stand-alone system architectures and data structures.
When middleware deployment is coupled with an examination and streamlining of business processes and used to deploy first stages of a modernization initiative by driving business requirements back into core architectures via modernized front-end architectures, then middleware serves as a part of the overall solution within the modernization toolkit. Modernization Benefits For a large number of organizations, the need to modernize application and data architectures is triggered by a wide variety of requirements and the fact that their information systems do not provide effective support for those requirements.