Architectural artifacts are created in order to describe a system, solution, or state of the enterprise. The following catalogs should be considered for development within a Data Architecture: The structure of catalogs is based on the attributes of metamodel entities, as defined in Part IV, 34. Conduct an impact analysis to identify any areas where the Business and Application Architectures (e.g., business practices) may need to change to cater for changes in the Data Architecture (for example, changes to forms or procedures, applications, or database systems). According to the Open Group Architecture Framework (TOGAF), a data architect is expected to set data architecture principles, create models of data that enable the implementation of the intended business architecture, create diagrams showing key data entities, and create an inventory of the data needed to implement the architecture vision. Data is usually one of several architecture domains that form the pillars of an enterprise architecture or solution architecture. Within this step, the architect should identify requirements that should be met by the architecture (see 17.2.2 Requirements Development). The purpose of the data dissemination diagram is to show the relationship between data entities, business services, and application components. Additionally, the diagram may show data, The data lifecycle diagram is an essential part of managing business data throughout its lifecycle, from conception through disposal, within the constraints of the business process. Once these updates have been made, it may be appropriate to drop into a short iteration of Application Architecture to resolve the changes identified. This article unfolds all about TOGAF® and how it benefits large … Availability: Available to download. Identify any areas where the Application Architecture (if generated at this point) may need to change to cater for changes in the Data Architecture (or to identify constraints on the Application Architecture about to be designed). The scope and level of detail to be defined will depend on the relevance of the data elements to attaining the Target Architecture, and on whether architectural descriptions exist. It relies heavily on modularization, standardization, and already existing, proven technologies and products. Data Architecture can be defined as- The Open Group Architecture Framework (TOGAF) provides a methodology and a set of tools for developing an enterprise architecture, which includes data architecture as well. The scope and level of detail to be defined will depend on the extent to which existing data elements are likely to be carried over into the Target Data Architecture, and on whether architectural descriptions exist, as described in 10.2 Approach. Does this Data Architecture create an impact on any pre-existing architectures? Figure 2. on the basis of the business drivers, stakeholders, concerns, and Business Architecture. The level of detail addressed in Phase C will depend on the scope and goals of the overall architecture effort. The following diagrams should be considered for development within a Data Architecture: Once the Data Architecture catalogs, matrices, and diagrams have been developed, architecture modeling is completed by formalizing the data-focused requirements for implementing the Target Architecture. The diagram will provide a visual representation of the spread of sources/targets and serve as a tool for data auditing and establishing traceability. Data as an Asset. ; various time dimensions - real-time, reporting period, event-driven, etc. This chapter describes the Data Architecture part of Phase C. The objectives of the Data Architecture part of Phase C are to: When an enterprise has chosen to undertake largescale architectural transformation, it is important to understand and address data management issues. Today, 80% of Global 50 companies use TOGAF. Have recent changes been made that impact the Data Architecture? Develop a Target Description for the Data Architecture, to the extent necessary to support the Architecture Vision and Target Business Architecture. TOGAF is based on TAFIM (Technical Architecture Framework for Information Management), an IT management framework developed by the U.S. Defense Department in the 1990s. Clearly understand how data entities are utilized by business functions, processes, and services, Clearly understand how and where enterprise data entities are created, stored, transported, and reported. Data architecture describes the structure of an organization's logical and physical data assets and data management resources, according to The Open Group Architecture Framework (TOGAF). This initial Data Architecture roadmap will be used as raw material to support more detailed definition of a consolidated, cross-discipline roadmap within the Opportunities & Solutions phase. Guidelines for developing and applying principles, and a sample set of data principles, are given in Part III, 23. The purpose of the data security diagram is to depict which actor (person, organization, or system) can access which enterprise data. With a preconfigured central repository designed to support the TOGAF ADM and a complete set of deliverables defined by The Open Group, iServer ensures organizations develop their architecture capability quickly and efficiently. Ensure that all stakeholder concerns are covered. Search 82 Togaf Data Architecture jobs now available on Indeed.com, the world's largest job site. The objective of Phase C is to develop Target Architectures covering either or both (depending on project scope) of the Data andApplication Systems domains. TOGAF is the acronym for The Open Group Architecture Framework and it was developed by The Open Group, a not-for-profit technology industry consortium that continues to update and reiterate the TOGAF. Understanding enterprise architecture. Once the Data Architecture is finalized, it is necessary to understand any wider impacts or implications. The following matrices should be considered for development within a Data Architecture: The structure of matrices is based on the attributes of metamodel entities, as defined in Part IV, 34. The purpose of the data migration diagram is to show the flow of data from the source to the target applications. Part II: Architecture Development Method (ADM), 10.4.9 Create Architecture Definition Document, 10.4.1 Select Reference Models, Viewpoints, and Tools, 10.4.2 Develop Baseline Data Architecture Description, 10.4.3 Develop Target Data Architecture Description, 10.4.5 Define Candidate Roadmap Components, 10.4.6 Resolve Impacts Across the Architecture Landscape, Develop the Target Data Architecture that enables the Business Architecture and the Architecture Vision, while addressing the Request for Architecture Work and stakeholder concerns, Identify candidate Architecture Roadmap components based upon gaps between the Baseline and Target Data Architectures, A clear definition of which application components in the landscape will serve as the system of record or reference for enterprise master data. This article unfolds all about TOGAF® and how it benefits large … This diagram is at a high level of representation (conceptual). TOGAF® 9 Template Artifacts and Deliverables, Set 2; TOGAF® 9 Template Artifacts and Deliverables, Set 2. TOGAF®—The Open Group Architectural Framework—has been used by enterprise architects (EAs) as a common language to plot IT development strategies for more than 25 years. (However, linkages to existing files and databasesmay be developed, and may demonstrate significant areas for improvement.) The level of detail modeled needs to be carefully assessed. But, as powerful as TOGAF is, it's not applicable to every situation. All rights reserved. Architecture Principles. Even skeptics of TOGAF and enterprise architecture frameworks in general find that the applied use of TOGAF is often successful simply because it is better than doing nothing. All of these changes make the TOGAF framework easier to use and maintain. TOGAF Glossary for Enterprise Architecture Terms and Definitions consists of a list of definitions of the most used Terms in TOGAF 9.1 D ... 32 Data Architecture. What is Enterprise Architecture? This diagram can be elaborated or enhanced as detailed as necessary. It is important to note at this stage that information may be a mixture of enterprise-level data (from system service providers and package vendor information) and local-level data held in personal databases and spreadsheets. When companies want to jump onboard a new technology, it often requires building out the right tech team from scratch and then tracking down all sorts of data. Content Metamodel. Using the traceability from application to business function to data entity inherent in the content framework, it is possible to create an inventory of the data needed to be in place to support the Architecture Vision. It was developed in 1995 to help enterprises and enterprise architects align on cross-departmental projects in a structured manner to facilitate key business objectives. Once the data entities have been refined, a diagram of the relationships between entities and their attributes can be produced. The purpose of the TOGAF Business Architecture Level 1 certification credential is to provide validation that individuals have knowledge and understanding of Business Modeling, Business Capabilities, TOGAF Business Scenarios, Information Mapping, and Value Streams and how to apply them in development of a Business Architecture based on the TOGAF® Standard, Version 9.2. At this stage, other architecture artifacts in the Architecture Landscape should be examined to identify: Check the original motivation for the architecture project and the Statement of Architecture Work against the proposed Data Architecture. The Data Architecture should identify data migration requirements and also provide indicators as to the level of transformation, weeding, and cleansing that will be required to present data in a format that meets the requirements and constraints of the target application. All data is a concrete, valuable asset to an enterprise. A book is also available (in hardcopy and pdf) from The Open Group Bookstore as document G116. Sign in to use the forum and be informed of the latest news. An “information asset” is the name given to data that has been converted into information. The goal is to define the data entitiesrelevant to the enterprise, not to design logical or physical storage systems. TOGAF and Data Architecture. Data is considered as an asset to the enterprise and data security simply means ensuring that enterprise data is not compromised and that access to it is suitably controlled. In TOGAF, “architecture” has two meanings depending upon the context: A formal description of a system, or a detailed plan of the system at a component level to guide its implementation; The structure of components, their inter-relationships, and the principles and guidelines governing their design and evolution over time. In a previous article, we deep dived into enterprise architecture frameworks. TOGAF, an acronym for The Open Group Architecture Framework, is intended to be a standard way to design and implement architectures for very large computer systems. Applying Iteration to the ADM. All activities that have been initiated in these steps must be closed during the Finalize the Data Architecture step (see 10.4.8 Finalize the Data Architecture). This diagram is developed to clearly present these relationships and to help understand the lower-level data models for the enterprise. The persistency model (typically for RDB) will be inferred. Catalogs are hierarchical in nature and capture a decomposition of a metamodel entity and also decompositions across related model entities (e.g., logical data component -> physical data component ->] data entity). Select standards for each of the building blocks, re-using as much as possible from the reference models selected from the Architecture Repository, Conduct final cross-check of overall architecture against business requirements; document rationale for building block decisions in the architecture document, Document final requirements traceability report, Document final mapping of the architecture within the Architecture Repository; from the selected building blocks, identify those that might be re-used, and publish via the Architecture Repository, Finalize all the work products, such as gap analysis, Data interoperability requirements (e.g., XML schema, security policies), If appropriate, use reports and/or graphics generated by modeling tools to demonstrate key views of the architecture; route the document for review by relevant stakeholders, and incorporate feedback. Will there be an enterprise-wide standard that all application components, including software packages, need to adopt (in the main packages can be prescriptive about the data models and may not be flexible)? If the impact is significant, this may warrant the Business and Application Architectures being revisited. Develop the Target Data Architecture that enables the Business Architecture and the Architecture Vision, while addressing the Request for Architecture Work and stakeholder concerns 2. Develop a Baseline Description of the existing Data Architecture, to the extent necessary to support the Target Data Architecture. ARTS has defined a data model for the Retail industry. Once the data requirements are consolidated in a single location, it is possible to refine the data inventory to achieve semantic consistency and to remove gaps and overlaps. The objectives of the Data Architecture part of Phase C are to: Develop the Target Data Architecture that enables the Business Architecture and the Architecture Vision, in a way that addresses the Statement of Architecture Work and stakeholder concerns Content Metamodel. There is no industry-standard certification or training program for data architects, but it’s valuable for architects to have certification in the primary data platforms used by their organization. The diagram can also be used to demonstrate compliance with data privacy laws and other. The separation of data from process allows common data requirements to be identified. — Data Flow Diagram. https://www.togaf-modeling.org/models/data-architecture.html The data is considered as an entity in its own right, detached from business processes and activities. It helps organizations bridge the gap between the framework to a more organization-specific view of the EA. Who owns what data. What will be the requirement for software in supporting data integration with the enterprise's customers and suppliers (e.g., use of ETL tools during the data migration, data profiling tools to evaluate data quality, etc.)? Architecture Vision TOGAF: Solution Concept Diagram; TOGAF: Value Chain Diagram; Business Architecture TOGAF: Business Footprint Diagram; Business Services and Information Diagram ; TOGAF: Functional Decomposition Diagram; Product Lifecycle Diagram; Data Architecture Class Diagram; Data Dissemination Diagram; Opportunities and Solutions Benefits Diagram; Project Context Diagram; … Depending on the degree of sophistication warranted, these may comprise simple documents or spreadsheets, or more sophisticated modeling tools and techniques such as data management models, data models, etc. In the core a data architecture gives the overview and insights into the only one real value of your IT: Information. In information technology, data architecture is composed of models, policies, rules or standards that govern which data is collected, and how it is stored, arranged, integrated, and put to use in data systems and in organizations. Where new architecture models need to be developed to satisfy stakeholder concerns, use the models identified within Step 1 as a guideline for creating new architecture content to describe the Baseline Architecture. ADM is a proven methodology for the development of an IT architecture to meet business needs. The content metamodel provides a definition of all the types of building blocks that may exist within an architecture, showing how these building blocks can be described and related to one another. $0.00. Data architecture defines the collection, storage and movement of data across an organization while information architecture interprets the individual data points into meaningful, useable information. Energistics has defined a data model for the Petrotechnical industry. Identify any constraints on the Technology Architecture about to be designed, refining the proposed Data Architecture only if necessary. This relationship can be shown in matrix form between two objects or can be shown as a mapping. TOGAF®, or ‘The Open Group Architectural Framework’, is an award-winning enterprise architectural framework developed in 1995 by The Open Group.But what is TOGAF®?. Identify appropriate tools and techniques (including forms) to be used for data capture, modeling, and analysis, in association with the selected viewpoints. Key enhancements made in this version include updates to the Business Architecture and the Content Metamodel. If you use Modelio, you don't need to import it, you can directly use the Togaf Architect tool. In the main Contents frame in the left margin of the page, click the relevant hyperlink to load the Contents List for that Part of the TOGAF document or go direct to a chapter within the document. What is the level and complexity of data transformations required to support the information exchange needs between applications? TOGAF Phase D deals with Technology Architecture, which shows how information technology can be deployed to realize the applications and data requirements defined in Phase C. The ArchiMate standard has a separate layer for Technology Architecture, in which technology such as devices, systems software, DBMS, and communications paths can be represented. It was developed in 1995 to help enterprises and enterprise architects align on cross-departmental projects in a structured manner to facilitate key business objectives. TOGAF®, or ‘The Open Group Architectural Framework’, is an award-winning enterprise architectural framework developed in 1995 by The Open Group.But what is TOGAF®?. Are there any opportunities to leverage work from this Data Architecture in other areas of the organization? EAP (Enterprise Architecture Profile) is the profile used by the Togaf Architect Modelio module. Diagrams present the Data Architecture information from a set of different perspectives (viewpoints) according to the requirements of the stakeholders. Data Architecture¶ Every business, small or large SHOULD have a data architecture. Data architecture describes the structure of an organization's logical and physical data assets and data management resources, according to The Open Group Architecture Framework (TOGAF). Each change in state is represented in the diagram, which may include the event or rules that trigger that change in state. The content … For example: This section defines the inputs to Phase C (Data Architecture). A description of the structure and interaction of the enterprise's major types and sources of data, logical data assets, physical data assets, and data management resources. Since 1999, the DoD hasn’t used the TAFIM, and it’s been eliminated from all process documentation. The TOGAF Standard, Version 9.2, is an update to the TOGAF 9.1 standard providing improved guidance, correcting errors, improving the document structure, and removing obsolete content. The steps in Phase C (Data Architecture) are as follows: Review and validate (or generate, if necessary) the set of data principles. Complete and consistent 3. The Open Group Architecture Framework (TOGAF) is the most used framework for enterprise architecture today that provides an approach for designing, planning, implementing, and governing an enterprise information technology architecture. New data building blocks being introduced as part of this effort will need to be defined in detail during Phase C. Existing data building blocks to be carried over and supported in the target environment may already have been adequately defined in previous architectural work; but, if not, they too will need to be defined in Phase C. The order of the steps in this phase (see below) as well as the time at which they are formally started and completed should be adapted to the situation at hand in accordance with the established architecture governance. The objective here is to define the major types and sources of data necessary to support the business, in a way that is: 1. Copyright © 2011-2020 Togaf-Modeling.org. The recommended process for developing a Data Architecture is as follows: The organization's data inventory is captured as a catalog within the Architecture Repository. If the impact is significant, it may be appropriate to drop into a short iteration of the Application Architecture at this point. Architecture Repository). These applications will, in turn, support particular groups of business users or actors, and will be used to fulfill “business services”. This allows effective sizing to be carried out and the IT footprint to be refined. Templates provided by The Open Group Adoption Strategies Working Group to accompany W102 and W103. Some of the world’s most powerful and profitable organisations use TOGAF®, while Certified Professionals can often enjoy sizeable salary boosts.. Identify candidate Architecture Roadmap components based upon gaps between the Baseline and Target Data Architectures Document rationale for building block decisions in the Architecture Definition Document. Obvious gaps such as entities that never seem to be created by an application or data created but never used, need to be noted for later gap analysis. 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