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CIMI Enterprise Architecture Proposal

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Presentation on theme: "CIMI Enterprise Architecture Proposal"— Presentation transcript:

1 CIMI Enterprise Architecture Proposal
April 12, 2013 9/21/2018

2 What is Enterprise Architecture?
“The structure of components, their inter-relationships, and the principles and guidelines governing their design and evolution over time” (TOGAF) Enterprise Architecture applies at the macro level Applies to business practices, software and infrastructure Works at the “system of systems level” Focus more on how components work together instead of the architecture of a specific component Typically creates as-is state, to-be state (in 5 years), goal- state (nirvana, undisclosed time), and transition plans 9/21/2018

3 Architecture Frameworks
HL7 SAIF (ECCF), TOGAF ADM, Zachman, DoDAF, FEAF Who, What, Why, Where, When, How… SAIF TOGAF FEAF DODAF OneVA Others… Common Characteristics Business Information and Data Application and Services Technology Infrastructure Drivers, requirements and traceability Actors, roles, groups, responsibilities Processes, functions and use cases Information models, terminologies, data dictionaries Artifacts, business objects Metadata Data management, quality Data persistence, source of truth Knowledge management Data flows Systems, tools, software Databases, data stores Interfaces, integration Orchestration, choreography, composition User interfaces, portals Platforms, storage and networks Qualities of Service, Service Level Agreements Devices and hardware COOP and disaster recovery 9/21/2018

4 Why EA for CIMI CIMI is mini-enterprise CIMI in the “forming” stage
Lots of discussion about Roles Use Cases Processes Business Specifications Tools Products EA can help formalize and standardize EA can drive visualization, coherence, discussion, consensus, governance 9/21/2018

5 EA Suggested Guidelines for CIMI
Start small – Create a “lean” EA for CIMI Use/modify TOGAF architecture development methodology (or comparable) Drive tooling, technology, platforms, etc. from the business architecture Build incrementally based on need Use standard notation for EA diagrams: UML and Archimate Separate the internal architecture of CIMI (how CIMI products are created) from the external architecture of CIMI (how CIMI products are used) 9/21/2018

6 TOGAF Layers and Typical Artifacts
Business Architecture: Actors Use cases Processes, workflows, activity diagrams Products Information Systems Architecture (including both information architecture and application architecture): System/component diagrams Interfaces and data flows Information models and terminologies Sequence and collaboration diagrams Technology Architecture: Packaging and deployment Tools and materials (e.g., specific platforms like Oracle) Network, storage, operating systems topology and capability diagrams Disaster recovery and COOP plans 9/21/2018

7 TOGAF Arch. Development Methodology
9/21/2018

8 CIMI EA Proposal for Version 1
Internal architecture Future “goal-posts” – principles, best practices Diagrams for the current/planned state (e.g., 2013) Who, What and How for the business, information and application architecture layers External architecture Projected target state (e.g., 2 years from now) for CIMI customers What and How for the information and application layers Sample external architectures showing how CIMI products are used for one or more CIMI participants Out of Scope Why and Where (and Who for external architecture) Business architecture layer of external architecture Technology architecture (platforms, storage, network, etc.) Target State internal architecture Transition Plans 9/21/2018

9 CIMI Internal BA – Who is CIMI
Catalog of Actors Key individuals Contributing organizations Catalog of Roles Individual roles (e.g., leaders) Groups (e.g., workgroups) 9/21/2018

10 Examples Roles (discharge summary solution) 9/21/2018

11 CIMI Internal BA – What does CIMI do
Catalog of Published Products/Outcomes Catalog of Functions/Use Cases List of functions Use Case model with primary roles RACI charts for primary functions 9/21/2018

12 Examples Use Case Model (RTLS) 9/21/2018

13 CIMI Internal BA – How does CIMI do it
Catalog of defined Processes List of processes Activity diagrams for primary processes with swimlanes for roles Map processes to functions/use cases 9/21/2018

14 Examples Process diagram (discharge summary solution) 9/21/2018

15 CIMI Internal IA Catalog of Business objects (based on Steve’s document) Context diagrams of business objects (e.g., conceptual model, logical model, reference set, etc.) Map business objects to process charts Information scope and organization CIMI glossary CIMI standards profile (CIMI Information models and terminologies deferred to modeling workgroup) 9/21/2018

16 Examples Info scope and organization model 9/21/2018

17 CIMI Internal AA Capability model Catalog of systems/toold
List of systems/tools Systems/tools context diagrams (dependencies) Map systems/tools to capabilities Map systems/tools to business objects Map systems/tools to process charts System Interactions Activity or sequence diagrams showing how systems/tools communicate to facilitate business processes and support use cases 9/21/2018

18 Examples Systems/Tools Capability Model (RTLS) 9/21/2018

19 Examples Systems/Tools Context Diagram (client relationship management solution) 9/21/2018

20 CIMI External IA / AA (iEHR example)
9/21/2018

21 Summary Create lean CIMI EA v1 using standard architecture framework and methodology Focus on parts of both internal and external architecture Current state for internal architecture Target state (2 years from now) for external architecture Develop key views/diagrams within the business, information and application architecture layers 9/21/2018

22 Next Steps Establish CIMI EA team
Subject matter experts EA developers (modeling expertise) Reviewers and approvers Approve scope, deliverables, timelines Assign work Define review/approval processes EA “as-is” is a relative term requiring continuous review and update 4/10/2013


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