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1、 Enterprise Architecture Executive OverviewExecutive Program Overview PDS Conference March 28, 20071 1March 28, 2007EA Program Overview - PDS ConferenceEvolution of EAlThe history of EA starts with the Zachman Framework of the 1980sSegments an organization into addressable pieces using “who, what, w
2、hen, why, where, and how“Segmenting the organization allows in-depth focus on each segment alignment with strategic goals and support for accomplishing the missionThe description becomes a model of the organization to be analyzed for efficiency opportunities.The Zachman Framework evolved and became
3、the baseline model for Enterprise Architecture. The FEA is rooted in this Discipline. 2 2March 28, 2007EA Program Overview - PDS ConferenceFederal Enterprise Architecture Core PrincipleslBusiness-driven: The FEA is most useful when it is closely aligned with government strategic plans and executive
4、level direction. Agency mission statements, presidential management directives and agency business owners give direction to each agencys enterprise architecture (EA) and to the FEA.lProactive and collaborative across the Federal government: Adoption of the FEA is achieved through active participatio
5、n by the EA community in its development and use. The FEA community is responsible for the development, evolution and adoption of the FEA.lArchitecture improves the effectiveness and efficiency of government processes: Architecture development is an integral part of the capital investment process. I
6、nvestment decisions should be based on business-approved architecture.3 3March 28, 2007EA Program Overview - PDS ConferenceFederal EA Governance Laws and PolicyGovernment mandates require each Agency to plan, procure, and deliver business products and services through Enterprise Architectures:lLAW -
7、The OMBs Government Performance & Results Act (GPRA) and Chief Financial Officers (CFO) act mandates performance-based measures that tie all capital investments to Agency EAlLAW - The Clinger-Cohen Act (CCA) formerly known as the Information Technology Management Reform Act (ITMRA) originally assign
8、ed CIOs the responsibility to develop and maintain an agency-level EA lPOLICY - OMB M-97-02 - Requires that Agency investments in major information systems be consistent with EAs.lLAW - The Federal Information Security Management Act (FISMA) requires IT Security Planning as part of an EAlLAW - The P
9、aperwork Reduction/Elimination Acts (PRA/GPEA) requires agencies to conduct operational and Strategic IT planning as a basis for budget requests4 4March 28, 2007EA Program Overview - PDS ConferenceNASA EA Guiding PrinciplesCustomer Driven Solutions that Enable Business Achievement Customer FocusedOw
10、nershipCollaborationMaintain an Adaptable Infrastructure Interoperable, Extensible, and Open SystemsIT SecuritySmallest Set of Systems that Fully Cover Agency RequirementsBind Technology at the Last Possible MomentCommonalityInformation is a Strategic Agency AssetInformation ManagementDevelop Concep
11、tual Models to Facilitate DiscussionsInclude Appropriate Performance Metrics Best Investment Value for the AgencyEconomically and Technically AchievableLeverage Existing InvestmentsFocus on the “Big Picture.” Greatest Cost/Benefit5 5March 28, 2007EA Program Overview - PDS ConferenceEnterprise Archit
12、ecture RolesBusiness/ Technology Strategy Enterprise ArchitectureBusinessInformationInformation SystemsTechnology InfrastructureBPM/CRM/ERPSupply Chain ManagementWorkflow AnalysisInformation AnalysisSoftware ArchitectureData ArchitectureSecurity Architecture Network Architecture Solution DeliverySol
13、ution DesignStrategic Governance Enterprise Architects System ArchitectsSoftware ArchitectsSystems ArchitectureSolutions Architecture6 6March 28, 2007EA Program Overview - PDS ConferenceNASA EA Architecture StateslEnterprise Architecture allows the Mission Areas to:Evaluate the Agencys information s
14、olution and service needs required for mission success against the current state Identify any gapsFormulate concepts and opportunities to fill the gapsBaseline StateTarget StateWhat do we have?What do we need?Lines of Business ProcessesServices CapabilitiesData FacilitiesNew Requirements ProcessesSe
15、rvices Enabling InvestmentsData FacilitiesTransition StrategyProjects to build New Services/CapabilitiesFunding RequestsReview Current Services for use in Future StateEliminate Redundant SystemsSunset Obsolete ServicesMilestones & MetricsIdentify Gaps & Build Plans7 7March 28, 2007EA Program Overvie
16、w - PDS ConferenceApproach to Investing Resources are freed and re-purposed for fundamental research and other scientific endeavors though increasing efficiency and effectivenessDMESSInvestment TypesInvestment TypesDMEAverage Investment Average Investment Distribution (Industry)Distribution (Industry)Develop Develop Modernize Modernize EnhanceEnhanceSteady StateSteady StateSSDMESS20%20%80%80%New investmen
