There exist numerous industry standard enterprise architecture frameworks, such as zachman. Comparing enterprise architecture frameworks a case study. A number of enterprise architecture frameworks do exist. From a number of proprietary frameworks that have been developed by specific individuals or organizations over the last few decades, enterprise architecture has now become mainstream, with the development and adoption of open frameworks such as the open group architecture framework togaf. Industrystandard enterprise architecture frameworks include the open group architecture framework togaf, the dod architecture framework dodaf and its variants modaf, dndaf, naf, etc. This whitepaper will analyze the approach to set up an ea practice, industry challenges, ea assessment and various toolkits. It contains the definitions of terms used throughout this standard. A proven enterprise architecture methodology and framework used by the worlds leading organizations to improve business. Examples of enterprise architecture in the public domain agencies of the us federal and state government fea. Lets take togaf as a bases to our process chain and its relation with other known frameworks such as cobit, itil and pmbok to know how they integrated with each. Resources that relate to enterprise architecture in general, and that do not make any specific references to the togaf standard, are classified as ea general documents. Designing enterprise architecture enable of business strategy.
It is a model used in the field of enterprise architecture and, as such, it provides guidelines, templates, models, frameworks, tools, methods, processes, and a great deal else. Of existing ea frameworks, togaf the open group architecture framework stands out, due to its worldwide acceptance and use. Harmonising two conceptual frameworks for ea mapping togaf to. Corporate governance is thus a broad topic, beyond the scope of an enterprise architecture framework such as togaf. This paper addresses the enterprise architect of what the security architect will need to carry out their security architecture work. 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. Zachman framework for enterprise architecture, togaf, dodaf, modaf, feaf based on the semantic definitions above that most closely reflect the usage of the term framework in reference. Designing enterprise architecture enable of business. The open group architecture framework togaf and the us. Feb 20, 2018 the types of enterprise architecture frameworks are often categorized by who created and released them. 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.
Togaf, zachman, and federal enterprise architecture 7. Enterprise architecture regards the enterprise as a large and complex system or system of systems. The open group is a consortium of more than 500 organizations often involved in creating, using, or supporting unix platforms. Togaf standard, which is an industry standard enterprise architecture framework. The open group architecture framework togaf the us department of defense developed a series of architecture guidance documents in the early 1990s known as the technical architecture framework for information management tafim. This simple yet practical and prescriptive framework is called the oracle enterprise architecture framework oeaf. The open group architecture framework togaf is a method and tool for assisting in the acceptance, production, use, and maintenance of enterprise architectures it is based on an iterative process model supported by best practices and a reusable set of existing architectural assets. To manage the scale and complexity of this system, an architectural framework provides tools and approaches that help architects abstract from the level of detail at which builders work, to bring enterprise design tasks into focus and produce valuable architecture description documentation. Those frameworks have the main goal of ea is to align isit with business. Mar 02, 2018 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. Those developed by consortiums, of which the open group architecture framework togaf is most known. This document, the western australian enterprise architecture framework. Pdf the development and utilization of information technology in everyday life. A rather major event in the world of enterprise architecture ea is the recent.
Its initial focus was on technical standards such as. With a standard ea framework or a hybrid ea framework combination of togaf and zachman, an organization can achieve benefits such as. As an open framework, such use is encouraged, particularly in the following situations. The open group architecture framework togaf, the federal enterprise architecture framework feaf, serviceoriented architecture soa. In togaf, the adm defines the method including the process, steps, and guidelines for developing the artifacts and deliverables for each of the development phases.
An enterprise architecture typically produces deliverables such as. The open group architecture framework togaf togaf describes itself as a framework, but the most important part of togaf is the architecture development method, better known as adm. 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. Capability architecture an overview sciencedirect topics. Enterprise architecture ea frameworks provide a wide range of architecture.
Togaf is an acronym of the open group architectural framework. An ea content framework defines the artifacts that ea should produce. The open group architecture framework togaf is an enterprise architecture methodology that offers a highlevel framework for enterprise software development. Why do i need togaf as a framework for enterprise architecture. By increasing importance of information for enterprises and appearing new forms of threats such as cyberattacks, information warfare, and terrorism, information security has become one of the most significant concerns of enterprises. Another more recent architectural framework is the open group architecture framework togaf. The zachman framework provides a rigid and highlylogical model for. Enterprise architecture frameworks what you need to know. In contrast to zachman, the togaf enterprise architecture framework defines a methodology in addition to the specific objects to be created.
As of togaf version 8, these different facets have been integrated, and togaf has undergone a major redevelopment, with the result that it is now a fullyfledged enterprise architecture framework. Enterprise architecture methodologies and comparisons. Enterprise architecture ea frameworks published in the it area such as togaf are usually very extensive, and that is why their use is considered mainly by larger enterprises as they have both. An enterprise architecture framework eaf, or architecture framework for short, is a prefabricated structure that organizes the system architecture of an enterprise into complementary projections called views. Comparing enterprise architecture frameworks a case study at. Comparison of top four enterprise architecture frameworks. Togaf, or the open group architectural framework, is an awardwinning enterprise architectural framework developed in 1995 by the open group. Togaf is a highly mature framework and widely used, or at least widely intended or perceived to. This refers to a clear set of rules on organizational development designed to help large enterprises achieve development goals in a quick and costeffective manner. Enterprise architecture as business capabilities architecture. On layers in enterprisearchitecture tom graves tetradian. The elements of togaf cover the entire lifecycle for enterprise architecture ea, right from setting up ea as an idea within an organization to creating and. Pdf modeling enterprise architecture with togaf download. This helped to identify seven enterprise architecture frameworks, which were evaluated and left only three frameworks for further implementation.
Jul 16, 2020 the open groups framework is largely applicationagnostic, but frameworks such as the department of defense architecture framework dodaf, the ministry of defense architecture framework modaf, and the nato architecture framework naf are ea frameworks drafted by and for specific institutions. The beginners guide to togaf and enterprise architecture. A proven enterprise architecture methodology and framework used by the worlds leading organizations to improve business efficiency the most prominent and reliable enterprise architecture standard, ensuring consistent standards, methods, and communication among. Nov 17, 2020 enterprise architecture has several frameworks that can be used in the design of information systems such as the togaf, zachman framework, and others. Togaf is an industry standard architecture framework that can be freely used by any enterprise developing enterprise architecture for use within 17. Mwsug 2016 paper sy03 enterprise architecture for analytics. Certainly, such discontent has drawn attention to perform this research. The earliest rudiments of the stepwise planning methodology currently advocated by the open group architecture framework togaf and other ea frameworks can be traced back to the article of marshall k. Comparative analysis of enterprise architecture frameworks. This and related subsections are focused on architecture governance. Provide a simplified context for the scope, analysis and structure of an enterprise and its components examples.
In the early days of computing, technology simply automated manual processes with. Wa enterprise architecture framework government of western. Developed by the information systems audit and control association isaca, the cobit framework helps organizations create, monitor, and maintain it governance and management practices. Dec 10, 2019 the core of the togaf framework is the architecture development method, which explains the stepbystep approach to develop or change an enterprise architecture. In particular, the book discusses the open group architecture framework togaf and the zachman architectural framework zaf in detail, as well as formal architecture standards and all four layers of these models. The architecture framework forum af forum is a web community dedicated to enterprise architecture frameworks and their related technologies. This core is defined by the architecture development method adm. Togaf is a generic yet comprehensive methodological framework for developing enterprise architectures. Zachmann enterprise architecture framework an enterprise ontology three layer architecture. It may be used freely by any organization wishing to develop enterprise architecture for use within that organization.
Enterprise architecture is not togaf pragmatic 365. Pdf designing enterprise architecture based on togaf 9. Since the 1970s people working in isit have looked for ways to engage business. Knowledge management framework for early phases in togaf. Part ii architecture development method this part is the core of the togaf framework. Architecture framework design with enterprise architect. Enterprise architecture has several frameworks that can be used in the design of information systems such as the togaf, zachman framework, and others. Languages such as the unified modeling language, archimate and business process model and notation are described, as are standards such as the national information. Pdf contemporary enterprise architecture frameworks a. Such a visual architecture model facilitates architectural decisions made. Contextual components of an enterprise architecture framework for. This consists of a wide range of frameworks, including the open group architecture framework togaf, the federal enterprise architecture framework feaf and the zachman framework. 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. Contrary to the zachman framework, togaf puts more emphasis on methodology and process.
Gap analysis a technique used in the togaf adm to validate an architecture that is being developed. How to design an optimized enterprise architecture in 5 steps. Enterprise architecture togaf enterprise architecting. Downloads of the togaf standard, including printable pdf files, are available under license from the togaf information website. Organizations that are new to the togaf approach and wish to incrementally adopt togaf concepts are expected to focus on particular parts of the specification for initial adoption, with other areas tabled for later consideration organizations that have. A proven enterprise architecture methodology and framework used by the worlds leading organizations to improve business efficiency the most prominent and reliable enterprise architecture standard, ensuring consistent standards, methods, and communication among enterprise architecture professionals. Enterprise architecture framework it services enterprise architecture framework. As an open framework, such use is encouraged, particularly in the following. Togaf 9 encompasses the entire enterprise architecture life cycle, which is. This framework proposes several phases to follow, including t wo early stages. The open group architecture framework togaf is a framework a detailed method and a set of supporting tools for planning, developing, maintaining and gaining value from an enterprise architecture. The togaf standard is a framework for enterprise architecture. Analyzing the open group architecture framework from the. It is positioned as an open, industry consensus framework for enterprise architecture togaf 2011, p.
As such, five architectural representations are proposed, of. From the existing enterprise architecture frameworks, togaf framework is. Known ea frameworks, such as zackman, the open group architecture framework togaf, federal enterprise architecture fea, gartner, department of defense architecture framework dodaf, and treasury enterprise architecture framework teaf, were created from various sources and have been applied to different contexts. Module 1 management overview togaf the open group website. It was developed in 1995 to help enterprises and enterprise architects align on crossdepartmental projects in a structured manner to facilitate key business objectives. Togaf focuses on missioncritical business applications that use open systems. In the recent years the open group architecture framework togaf 2011 has gained prominence as the bestknown framework for ea practice. An enterprise architecture framework for digital transformation. Need for an enterprise architecture skills framework. The open group architectural framework togaf was first developed in 1995. The oeaf is complementary to other ea frameworks, with clear mappings to togaf and fea, such that customers can use the ea framework of their.
Enterprise business architecture architecture services infosys. But, every organization is different while using these frameworks in implementing and approaching. For a fuller explanation explore what is an enterprise architecture framework. Pdf enterprise architecture ea is a welldefined practice for conducting enterprise analysis. Architects executing the architecture development method adm will produce a number of outputs as a result of their efforts, such as process flows, architectural requirements, project plans, project compliance assessments, etc. For example, no organizations actually follow adm steps, even if the use of. From a number of proprietary frameworks that have been developed by specific individuals or organizations over the last few decades, enterprise architecture has now become mainstream, with the development and adoption of open frameworks such as the open group architecture framework togaf 9. It is an enterprise architecture standard, ensuring consistent standards, methods, and communication among enterprise architecture professionals, so that we can conduct.
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