Strategies and Priorities for Information Technology at the Centers for Medicare and Medicaid Services (2012) / Chapter Skim
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Appendix E: A Two-Phase Approach to Modernization and Transformation of Business and Information Ecosystems
Appendix E: A Two-Phase Approach to Modernization and Transformation of Business and Information Ecosystems
Pages 154-171
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From page 154... ...
This appendix offers a more detailed elaboration of each of those two phases. META-METHODOLOGY PHASE 1: MODERNIZATION AND TRANSFORMATION OF CMS BUSINESS ECOSYSTEMS Phase 1 of the meta-methodology for the modernization and transformation of business and information ecosystems of the Centers for Medi care and Medicaid Services (CMS)
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From page 155... ...
This approach to comprehensive modeling at the business layer is one of the leading trends for achieving a shared-services organization. From what the committee understands, CMS has developed an analysis along these lines, but only for information ecosystems, not for business ecosystems.
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• Step 2: Characterize the target global business ecosystem for the chosen roles. The target global business ecosystem -- the integration of the individual target business ecosystems chosen, plus the source business ecosystems that have not changed -- will be the target of the mappings described below.
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The HIM determines the standard terminology regarding health data objects that are defined in the business glossary. 1 Department of Veterans Affairs, VHA Health Information Model, available at http:// www.va.gov/VHIM, last accessed July 27, 2011.
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The mapping will describe, still at the business level, how the source and target business ecosystems are related. This mapping process requires a multidisciplinary, incremental approach driven tactically by the most urgent target business ecosystems.
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The business ecosystem mapping will provide guidance for the mapping of the corresponding information ecosystems. Three steps are needed to perform this task.
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In general, this step determines in detail how each target business ecosystem is formed, using the source and target global business ecosystems as a guide, as well as the dispositions of source and target business ecosystems decided as described above. The mapping is done at the busi ness level in terms of the roles that the business ecosystem implements.
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As with the business ecosystems discussed above, the information ecosystems analyzed include both internal CMS information ecosystems and those external to, but interoperating with, CMS. Phase 2 consists of five tasks.
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An EA framework defines the necessary standards for the design, development, and deployment of information ecosystems, to facilitate interoperation and other properties among new and existing information ecosystems. A key piece of this framework should be the information architecture framework.
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In addition to the EDE, which requires solutions for business intelligence, enterprise content management, advanced analyt ics, master data management, and other information management solu tions that can be shared across the global information ecosystem, there will be a need for shared, enterprise-wide solutions to identify and access management; enterprise governance, risk, and compliance; security; fraud prevention and detection; and business process management. Components of the Enterprise Architecture Framework Enterprise architectures and standards for them have been industry best practices for several decades.
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From page 164... ...
The initial framework should be based on the most advanced technologies and products that are proven to meet the requirements of the known enterprise architectures. All selections of technologies, models, and methods must be proven at scale to meet CMS requirements for the target information ecosystem, which in turn must meet the business requirements of the target CMS business ecosystem that it supports.
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From page 165... ...
This step starts by identifying and documenting the source information ecosystems that are relevant to the business ecosystems identified in Phase 1. For each of these, it characterizes the enterprise architecture for each source information ecosystem in terms of the process architecture, applications architec ture, information architecture, infrastructure architecture, and so on.
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Characterization of Target Information Ecosystems The task of characterizing target information ecosystems applies to those target information ecosystems for which a target business ecosystem has been identified and characterized in the business ecosystem plan. A comprehensive view of the target information ecosystems assists design not only of those information ecosystems but also of the target global information ecosystem.
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From page 167... ...
The source and target global information ecosystems provide a context within which to address strategic issues that arise for the source and target global information ecosystems, including shared services and information sharing. Factors that affect prioritization choices, in addition to decisions made during the global business ecosystem analysis phase, may include implementation difficulty, and the potential for the early retire ment of legacy systems, freeing up resources from legacy sustainment to be applied to modernization.
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• Step 3: Create the mapping between source and target information ecosystems and their artifacts. Using as a guide the corresponding source and target global information ecosystems and the results of the above analysis, the source information ecosystems are mapped to the target information ecosystems.
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The most complex mappings involve mapping multiple source artifacts from potentially several source information ecosystems to one or more target artifacts, perhaps in several target ecosystems, when
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From page 170... ...
. For example, there is a null mapping for green-field information ecosystems; however, at the information architecture level in the enterprise architecture, a new information service might be based on an existing database, from some source information ecosystem.
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The information ecosystems requirements developed in the above analysis and mapping steps should be used to justify the information ecosystem mapping and thus provide the information systems details for the relevant business case. 15 For example, see Michael L
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