By William M. Ulrich
Each significant company has an important put in base of latest software program structures that replicate the tangled IT architectures that end result from a long time of patches and failed replacements. each one of these structures have been designed to help enterprise architectures that experience replaced dramatically. At top, those platforms prevent agility and competitiveness and, at worst, can deliver serious company features to a halt. Architecture-Driven Modernization (ADM) restores the worth of entrenched platforms by way of taking pictures and retooling numerous features of latest program environments, permitting previous infrastructures to carry renewed worth and align successfully with firm recommendations and enterprise architectures. This booklet presents a realistic advisor to corporations looking how you can comprehend and leverage current structures as a part of their details administration recommendations. It contains an advent to ADM disciplines, instruments, and criteria in addition to a chain of situations outlining how ADM is utilized to varied tasks. Drawing upon classes discovered from genuine modernization tasks, it distills the idea and explains rules, techniques, and most sensible practices for each undefined. * Acts as a one-stop purchasing reference and whole advisor for enforcing a number of modernization types in myriad industries and departments.* each idea is illustrated with real-life examples from a number of modernization initiatives, permitting you to instantly observe confirmed suggestions and spot results.* Authored via the Co-chair of the thing administration workforce (OMG) Architecture-Driven Modernization (ADM) activity strength, which units definitive structures modernization criteria for the whole IT industry.* an internet site helps the ebook with brand new assurance of evolving ADM standards, Tutorials, and Whitepapers, permitting you to stay brand new on modernization subject matters as they enhance.
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Extra resources for Information Systems Transformation: Architecture-Driven Modernization Case Studies (The MK OMG Press)
Example text
Transformation Benefits The benefits of transformation are centered on the ability to capture and transform critical business data representations and business logic and redeploy that functionality in a new target architecture. Transformation benefits include the: Ability to increase the effectiveness, lower the costs, and reduce the risks associated with major IT initiatives. n Value of streamlining Greenfield and COTS projects using incremental, low risk approaches, lower deployment costs. n Ability to align application and data architectures with shifting or new business capabilities and information requirements.
Business user interface analysis is an essential step to aligning existing software assets to streamlined business processes. System Interface Analysis: Identifies all data interfaces between systems and subsystems included in the assessment as well as interfaces to external systems or entities. Functional Assessment Functional assessment examines the business-specific data usage and logic within the current architecture. Major tasks within the functional assessments include: n n n Functional Decomposition: Decomposes system-related business capabilities and maps these capabilities to the modules that implement them.
In other words, most of the respondents, even the small-to-medium-sized organizations, found it challenging to realize benefits from a COTS package approach of replacing one or more application systems. A lack of realization of benefits as well as the time it takes to gain those benefits further increase the risk of rejection of the COTS package. Another COTS-related study by the Standish Group found that the COTS projects are expensive and rarely succeed. Findings from this report include the following citations.