Enterprise architecture methodologies and comparisons. How togaf define enterprise architecture what togaf says about architecture as description abstract. The key to togaf is the architecture development method adm a reliable, proven method for developing an it enterprise architecture that meets the needs of your business. Gottlieb managing an enterprise architecture is a challenging task. An architecture domain in enterprise architecture is a broad view of an enterprise or system. There are four architecture domains that are commonly accepted as subsets of an overall enterprise architecture, all of which togaf is designed to support. The open group architecture framework togaf is a framework for enterprise architecture. Togaf focuses on missioncritical business applications that use open systems. The open group architectural framework togaf was first developed in 1995 and was based on the department of defenses technical architecture framework for information management 12. Togaf provides an example of a relatively detailed catalog of architecture principles, 15 which includes around 20 principles organized into four families similar to the four architecture domains. Togaf divides an enterprise architecture into four categories, as follows. Timebased views are defined for the architecture domains. The open group architecture framework togaf is an enterprise architecture methodology that offers a highlevel framework for enterprise software development.
D business scenarios are an important technique that may be used at various stages of the enterprise architecture, principally the architecture vision and the business architecture, but in other architecture domains as well, if required, to derive the characteristics of the architecture directly from the highlevel requirements of the business. Data architecturedescribes how the enterprise datastores. The open group architecture framework togaf is a framework for enterprise architecture that provides an approach for designing, planning, implementing, and governing an enterprise information technology architecture. Enterprise architecture implementation and the open group.
General information togaf framework the unit company. A comparison of enterprise architecture frameworks volume vii, no. Dm data store xml schema interface is services broker app concep. Oct 24, 2019 togaf takes a highlevel approach to the framework that an enterprise uses to plan, design, implement, and manage its enterprise architecture. This article will focus on familiarizing beginners with togaf. The togaf standard the open group architecture framework is a globally accepted and applied framework for enterprise architecture.
The four types of enterprise architecture framework. The separation of concepts and models is easy with regard to business, application, and technology architectures and is naturally supported by uml packages that are specialized for togaf. The open group has defined a standard for this method for almost 10 years now, and over 400 companies and government agencies have been involved in crafting that standard. Togaf covers the development of four architecture domains. In order to support changes, enterprise architecture must bring the business design and it together. In the recent years the open group architecture framework togaf 2011 has gained prominence as the bestknown framework for ea practice. The open group architecture framework togaf introduction. The open group architectural framework, or togaf, is one of the most common framework structures in business today. It retains the major features and structure of the togaf 9 standard, thereby preserving existing investment in the standard, and adds further detail and clarification to what is already proven. In a long line of enterprise architecture frameworks, togaf. Ea four types of architecture subsets togaf 2003 business architecture strategy, governance, organization, key business processes datainfo architecture structure of orgs logicalphysical data assets and data management resources applicationssystems architecture blueprints for individual applications to be deployed. There are four architecture domains that are commonly accepted as subsets of an overall enterprise architecture, all of which the togaf standard is designed to support.
There are four architecture domains that are commonly accepted as subsets of overall enterprise architecture, all of which togaf is designed to support. There are a few things you will notice about the togaf principles. Iii rm business architecture technology architecture platform services is services business services consumer apparchitecture provider app is services data architecture log. Togaf is a management framework that features and promotes the role of architects. The paper fourdomain architecture fda framework 9, divides the company into four domains. Togaf glossary for ea terms and definitions dragon1. By default, viewpoints span at least the four togaf architecture domains. Designing enterprise architecture based on togaf 9. Part 1 foundation enterprise architect certification trng. Nov 12, 2012 the 15 entities that are classified as extensions add detail to the description of the resulting architecture in the four domains business, data, applications and technology. First of all, a togaf architecture principle is divided into 4 parts.
The four primary architecture domains have appeared in popular architecture frameworks since the prism paper of 1986. The open group architectural framework togaf was first developed in 1995. This metamodel is a single view that encompasses all four of the togaf architecture domains business, data, application. The key to togaf remains a reliable, practical method the togaf architecture development method adm for defining business needs and developing an architecture that meets those needs, applying the elements of togaf and other architectural assets available to the organization. Enterprise architecture is broken down into four distinct domains data, technology, application, and business and heavily relies on existing, standardized products and technologies. The business architecture defines the business strategy, governance, organization, and key business processes. A business or business process architecture this defines the business strategy, governance, organization, and key business processes. Structure of the federal enterprise architecture framework feaf, presented in 2001, which determined four architectural domains. Welcome to the mdg technology for togaf enterprise architect mdg addin, version 2. Togaf is not actually describing a particular role, but more of a type of architecture role. In fact, togaf is perhaps the most popular enterprise architecture ea framework today, and its popularity is only increasing, in spite of the fact that many organizations misapply togaf. Togaf is an architecture framework the open group architecture framework. Once business processes are established through the entire lifecycle, the adm helps the enterprise identify the gaps between.
New in togaf version 7 qansiieee std 14712000, recommended practice for architectural description extensive rewrite of architecture views section, integrating ansiieee std 1471 concepts terminology. Aug 07, 2014 in fact, togaf is perhaps the most popular enterprise architecture ea framework today, and its popularity is only increasing, in spite of the fact that many organizations misapply togaf. Togaf accounts for over 80 percent of the entire business framework structure. The open group architecture framework togaf version 7. Architecture and design operates at all three levels of enterprise architecture strategic, segment and capability so who is enterprise architecture for. It provides a comprehensive approach to the design, planning, implementation, and governance of an enterprise architecture. The 8 togaf architecture principles you need to know. Pdf designing enterprise architecture based on togaf 9. What togaf is and why companies are now starting to use it what makes togaf popular is that it contains a definitive and proven stepbystep method for developing and maintaining an enterprise architecture.
It covers the four principal architecture domains of business, information systems application and data and technology infrastructure. Togaf architecture content metamodel is a detailed data model, encompassing the 32 entities, their respective attributes and the relationships among them. The togaf architecture development method enterprise. Togaf, the open group architecture framework, has laid out an example set of 21 highquality architecture principles. Jan 23, 2010 enterprise architecture maturity evaluation key capabilities capabilities framework of standards, templates and specifications for organising and architecture framework presenting business and technical architecture components methodology for defining, developing and maintaining architecture architecture processes components practices. How togaf defines enterprise architecture ea this page is published under the terms of the licence summarized in the footnote this is one of a pair of papers. An enterprise can be represented by several different architecture instances, each representing the enterprise at a particular point in time. Part 1 foundation enterprise architect certification trng udemy. Business architecturedescribes the processes the business uses to meet its goals. Togaf takes a highlevel approach to the framework that an enterprise uses to plan, design, implement, and manage its enterprise architecture. The structure of the togaf documentation reflects the structure and content of an architecture capability within an enterprise. A complete enterprise architecture should address all four architecture domains business, data, application, technology, but the realities of resource and time constraints often mean there is not enough time, funding, or resources to build a topdown, allinclusive architecture description encompassing all four.
Architecture principle an overview sciencedirect topics. A book is also available in hardcopy and pdf from the. It is called togaf the open group architecture framework. Each architecture domain business, four architecture domains business, data, application, technology covers data, application, technology the full extent. Enterprise architecture is not togaf bcs the chartered. Application architecturedescribes how specific applications are designed and how they interact with each other. It retains the major features and structure of the togaf 9 standard, thereby preserving existing investment in the standard, and. There are four types of architecture that are commonly accepted as subsets of an overall enterprise architecture, all of which togaf is designed to support. An approach to support enterprise architecture design by b. Architecture without design specific implementation and practice is slide ware, while design without architecture context and scope delivers culdesacs and closed off local optimisations.
It contains all the needed pieces for a powerful framework. The open group architecture framework togaf is a framework a detailed method and a set of supporting tools for developing an enterprise architecture. It enables you to design, evaluate, and build the right architecture for your organization. The addin enables users of enterprise architect to benefit from the open group architecture framework togaf within a powerful modeling environment based on open standards. Three levels are shown below, though togaf inserts a segment level between enterprise and solution. While careful planning typically goes into its design, an enterprise architecture actually emerges as a result of implementing individual projects.
Architecture principles will be informed by principles at the enterprise level, if they exist. Togaf provides a common sense, practical, prudent, and effective method of developing an it architecture. Architecture principles are typically developed by the enterprise architects, in conjunction with the key stakeholders, and are approved by the architecture board. Architecture development method togaf the open group. A conceptual structure used to develop, implement, and sustain an architecture. The open group architecture framework togaf core concepts. Togaf describes four highlevel domains business, data, application and technology and these are often used in the job titles for architects focusing on those subjects. Togaf, an open group standard, is a proven enterprise architecture methodology and framework used by the worlds leading organizations to improve business efficiency this pocket guide is based on togaf version 9. The definition of an architecture used in ansiieee std 14712000 is.
The togaf architecture development method adm, which explains how to derive an organizationspecific it architecture that addresses business requirements. Togaf is the acronym for the open group architecture framework and it was developed by the open group, a notforprofit technology industry consortium that continues to update and reiterate the togaf. A comparison of the top four enterprisearchitecture. The togaf standard provides a common view on the matter, making the approach unambiguous.
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