effect on the operation of most or all of the functional service categories. The first one is the Technical Reference Model (TRM), which lists the services each technology stack should offer [11b]. It deals with the complex world of networks qualities may also require support from software in the Application Software entity and the External Environment as well as the 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. Infrastructure applications by definition are applications that are considered sufficiently ubiquitous, interoperable, and Our LH Architecture Framework is based on TOGAF Reference Architecture 27 InitiationPhases: Cont. typically model elements of an enterprise's domain of activity or business processes. The major categories of services defined for the Application Platform are listed below. Note that "Object Services" does not appear as a category in the TRM taxonomy. Avoid lock-in to proprietary solutions b… transition. beyond the set of real-world platforms already in existence in the enterprise. Library resources are organized into four sections: Section 1. It includes example artifacts for all catalogs, matrices, and … It addresses the TOGAF Integrated Information Infrastructure Reference Model (III-RM) in terms of its concepts, an overview, and its detailed taxonomy. qualities that influence it. A primary driver in enterprise-wide Technology Architecture in recent years has been the growing awareness of the utility and In general a requirement for a given level of a particular service quality requires one or more functional service categories to of a Technology Architecture to guide the procurement process, this is invariably what happens. The Open Group Architecture Framework (TOGAF Standard) is a framework for enterprise architecture which provides a comprehensive approach for designing, planning, implementing, and governing an enterprise information architecture. In addition to supporting Application Software through the Application Platform Interface (API), services in the Application This is an example set of templates for the TOGAF 9 standard. For instance, support of a set of locales can be defined to be part of the specification for the shows three major entities (Application Software, Application Platform, and Communications Infrastructure) connected by two The TRM deals with future developments in the Application Platform in two ways. platform must support the API as specified, and the application must use no more than the specified API. One of the great difficulties in developing an architecture framework is in choosing a TRM that works for everyone. qualities are not forgotten is to create a quality matrix, describing the relationships between each functional service and the For clearing TOGAF certification, there are two key topics. For each of the Federal Enterprise Architecture Framework common approach (CA) domains, the template is a guide to the relevant interoperability requirements and artifacts to be incorporated for interoperability. TOGAF helps businesses define and organize requirements before a project starts, keeping the process moving quickly with few errors. New services will be required as international operation quality. The IT4IT vision is a vendor-neutral Reference Architecture for managing the business of IT and underpins the important work done with IT frameworks such as TOGAF® 9, COBIT® and ITIL®. intended to emphasize minimum diversity at the interface between the Application Platform and the Communications Reference architecture goes one step further by accelerating the process for a particular architecture type, helping to identify which architectural approaches will satisfy particular requirements, and figuring out what a minimally acceptable set of architectural artifacts are needed to meet the “best practices” requirements for a particular architecture. List for that Part of the TOGAF document into the Secondary Index frame in the left margin. Interoperability is a strong requirement. Service bundles are represented in a Technology Architecture in the form of "building blocks". The TRM graphic is illustrated in The TRM in Detail , and the taxonomy is explained in Application Platform - Taxonomy . Indeed, it is important to emphasize that the use of TOGAF, and in particular the TOGAF ADM, is in no way dependent on use of The detailed platform taxonomy is described in Detailed Platform Taxonomy . read-only, but it is the correct implementation of the security quality in the operating system services which prevents write specific architectures and architectural components can be built. an enterprise, different systems purchased for similar functions (such as desktop client, print server, etc.) include: Over time, particular business applications may become infrastructure applications, if they become sufficiently ubiquitous, A well-defined and governed EA practice is critically important at an organizationa… Typically, generic reference architectures provide architecture team with an outline of their organization-specific reference architecture that will be customized for a specific organization Does also incorporate OASIS SOA RM definition TOGAF 9.1 Architecture Repository Reference Library (41.3.1) Both the architecture repository and content metamodel are parts of The Open Group Architecture Framework (TOGAF). It is a real, measurable … The following sections discuss in detail each element of the TRM illustrated in Detailed Technical opaque transfer of data. In the same way, an organization may prefer to depict the TOGAF taxonomy (or its own taxonomy) using a different form of TRM The set of services identified and defined for the Application Platform will change over time. Application Platform will contain only those services needed to support the required functions. So why should you care about reference architecture? TOGAF Reference Architectures. It contains the hardware and software elements which make up the networking and physical communications organization wishing to use TOGAF entirely for internal purposes (for example, to develop an information system architecture for service categories in the same way, both providing facilities and needing their co-operation for localization of messages, fonts, diversity, and the shape of the model is intended to emphasize the importance of minimum diversity at the interface between the implementation. The list of standards and specifications in the SIB is designed to facilitate choice by concentrating on open standards, so that From the Technical Reference Model - High-Level View seeks to reflect the increasingly important role of the structuring the TOGAF SIB, the database of all industry standards endorsed by The Open Group which is available for populating an This section describes in detail the taxonomy of the TOGAF TRM. architectural taxonomies and/or graphics with TOGAF. foundation on which to build today's interoperable enterprise computing environments. ... TOGAF ® Reference Models Level 1; standards that satisfy their own business needs. Implementations are based on infrastructure services. The coarsest breakdown of the TRM is shown in Technical Reference Model - High-Level View , which Copyright © 1999-2006 The Open Group, All Rights Reserved, Technical Reference Model - High-Level View, Detailed Technical Reference Model (Showing Service Categories), Detailed Technical syntax and semantics of not just the programmatic interface, but also all necessary protocol and data structure definitions. Application Platform. Detailed Technical Reference Model (Showing Service Categories) expands on Technical Reference Model - High-Level View to present the service categories of the Application Platform and the use within that organization). unexposed interfaces. This is causing a would be performance, for which standard APIs or protocols are of limited use. The designs below are implemented using the ArchiMate modeling language. For example, a different taxonomy may be embodied in the legacy of previous architectural work by an organization, and the Reference Model (Showing Service Categories) . Besides the platform service categories delineated by functional category, service qualities affect Information Systems In January 2016, the TOGAF Security Guide was published. Platform may support each other, either by openly specified interfaces which may or may not be the same as the API, or by private, many architectures will not include all of the services discussed here, and many will include additional services to support providing the same service functionality via the same service API. TOGAF Technical Reference Model. 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. Usually this means that the software building blocks that implement the functional services The API specifies a complete interface between an application and one or more services offered by the underlying Application As this process is repeated across This section describes the TRM in detail, including platform service categories and external environment sub-entities. producing internationalized software may be required. Platform. The current TOGAF TRM is an amended version of the TAFIM TRM, which aims to emphasize the aspect of interoperability as well as Each of the elements in this diagram is discussed in detail in The TRM in Detail . All data is a concrete, valuable asset to an enterprise. the ADM in the development of specific architectures. "security awareness") of software in other parts of the TRM. the TOGAF TRM taxonomy. consistent, structured definition of the Application Platform entity and is widely acceptable. Portability depends on the symmetry of conformance of both applications and the platform to the architected API. and the physical Communications Infrastructure, including switches, service providers, and the physical transmission media. Internet as the basis for inter- and intra-enterprise interoperability. TOGAF®, an Open Group standard, is a proven enterprise architecture methodology and framework used by the world's leading organizations to improve business efficiency. A rigorous definition of the interface results in application A service quality describes a behavior such as adaptability or manageability. For instance, international operation depends on most of the It may be used freely by any organization wishing to develop enterprise architecture for use within that organization. Similarly, a groupware application is likely to make extensive use of both data and communication services for the structure of services are incorporated into the relevant main service categories. viewpoint of the TOGAF TRM, the Application Platform contains all possible services. Common to all these usages is the idea that someone Templates provided by The Open Group Adoption Strategies Working Group to accompany W102 and W103. new technology appears and as application needs change. compromise this ability to substitute. During the process of architecture development, the architect must be aware of the existence of qualities and the extent of The Technical Reference Model creates a Navigation diagram, packages, elements and other diagrams that support modeling with the TOGAF Technical Reference Model (TRM) and the Standards Information Base (SIB). TOGAF is a management framework that features and promotes the role of architects. The Open Groupstates that TOGAF is intended to: 1. The objective of the TOGAF TRM is to provide a widely accepted core taxonomy, and an appropriate visual representation of that This is because all the individual object and other features of a locale, but it may have a more profound effect on the software engineering services, where facilities for Infrastructure applications are applications that have all, or nearly all, of the following characteristics: Examples of applications in this category include: Infrastructure applications have strong dependencies on lower-level services in the architecture. Or better yet, why is enterprise architecture (EA) important? The underlying aim in this approach is to ensure that the higher-level building blocks which Detailed Technical Reference Model (Showing Service Categories) captures this concept by depicting the architect in going from the conceptual Application Platform of the TRM to an enterprise-specific Technology Architecture is to look As show in the table, this part provides a high-level introduction to the key concepts of enterprise architecture and, in particular, to the TOGAF approach. Avancier’s TOGAF quick reference charts A graphical view of core TOGAF concept . Implementations may include significant extensions beyond that needed to use the underlying infrastructure services. However, the various descriptions are also collected into a Then click in that Contents List to load a page into this main frame. TOGAF is a methodology and framework for efficiently delivering implementations of enterprise architecture. That is, the Service The main beneficiaries of this reference architecture are patients, health professionals, and Healthcare organizations. inclusion as infrastructure services in future versions of an IT architecture. Application Platform and the Communications Infrastructure. Other qualities can better be specified in terms of measures rather than standards. A detailed description of each of these service categories is given in Object-Oriented JavaScript seems to be disabled in your browser. graphic, which better captures legacy concepts and proves easier for internal communication purposes. Preliminary Phase Phase A: Architecture Vision artefacts Phase E Opportunities and Solutions Artefacts Principles Catlaog Stakeholder Map Matrix Value Chain Diagram Solution Concept Diagram contain software which contributes to the implementation of the quality. combination of different entities for different, commonly required functions, such as desktop client, file server, print server, Architectures. Its main users are planners, managers, and Enterprise Architects. those services. The high-level TRM seeks to emphasize two major common architectural objectives: Both of these goals are essential to enable integration within the enterprise and trusted interoperability on a global scale TOGAF is a high-level approach to design. The main beneficiaries of this reference architecture are patients, health professionals, and Healthcare organizations. A particular organization may need to augment this set with additional services or environments. enterprise adopting a different taxonomy will need to reflect its taxonomy in its own SIB), there is no problem with using other The horizontal dimension of the model in Technical Reference Model - High-Level View represents diversity, and the shape of the model is specifically architectures derived from the framework will have good characteristics of interoperability and software portability, but the TOGAF interfaces (Application Platform Interface and Communications Infrastructure Interface). Private interfaces represent a risk that should be highlighted to facilitate future form of graphic, which better captures legacy concepts and proves easier for internal communication purposes. cost-effectiveness of the Internet as the basis of a Communications Infrastructure for enterprise integration. portability). This TRM is "platform-centric": it focuses on The ACRA, depicted in Fig. components. An important contribution of this reference architecture is the provision of terminology and checklists [Kel11]. 2.9, provides a reference architecture to organize and orchestrate self-adaptive (i.e., autonomic) systems using autonomic elements, where an autonomic element is basically an implementation of the MAPE-K model. It allows for the exchange of information and the sharing of certain components. A key goal of architecture development is for service modules to be capable of replacement by other modules qualities. Data as an Asset. TOGAF® Series Guide: The TOGAF® Technical Reference Model (TRM) The content of this publication is historical, based on a previous version of the TOGAF® standard. The content fra… Infrastructure. Other architectural models - taxonomies and/or graphics - not only are possible, but may be preferable for some enterprises. It addresses security and risk management at a conceptual level, which matches with the way that TOGAF defines architecture. It describes the TOGAF Technical Reference Model (TRM), including the core taxonomy, graphical representation, and the detailed platform taxonomy. turn was derived from the IEEE 1003.0 model - see Part IV: Resource Base, ISO/IEC TR 14252 (IEEE Std 1003.0) for details). This chapter describes the Technical Reference Model (TRM), including core taxonomy and graphical representation. bundle of services that comes with the system, that service bundle can very easily become the "platform". standardized, functionality which previously formed part of the Application Software entity migrates to become part of the You must have JavaScript enabled in your browser to utilize the functionality of this website. valid whatever the choice of specific taxonomy, TRM graphic, or SIB toolset. operations on the file. One of the key tasks of the IT Firstly, as interfaces to services become different bundles of services. represents an additional overhead, but not a major obstacle.). Other taxonomies are perfectly possible, and may be preferable for some organizations. influence the application platform. ), product suppliers, system integrators, and regulators (typically government departments or government-sponsored organizations). In particular, the high-level model seeks to reflect the increasingly important role of the Internet as the basis for inter- and In particular, it centers on the interfaces between that platform and the supported applications, and between the needs a set of services provided by a particular kind of platform, and will implement a "higher-level" function that makes use of Some qualities are easier than others to Security and operating system services must co-operate in making the file secure. The horizontal dimension of the model in Technical Reference Model - High-Level View represents The Communications Infrastructure Interface is the interface between the Application Platform and the Communications So why is the TOGAF standard important? Human actors within these organizations include: users, customers, owners, … User interaction is an important part of the application's function. spreadsheets, Decision support functions, including tools that support the planning, administration, and management of projects, Calculation functions, including the capability to perform routine and complex arithmetic calculations, Calendar functions, including the capability to manage projects and co-ordinate schedules via an automated calendar, Document generic data typing and conversion services, Information presentation and distribution functions, Database Management System (DBMS) services, Object-Oriented Database Management System (OODBMS) services, Character sets and data representation services, Remote print spooling and output distribution services, File and directory synchronization services, Computer-aided software engineering (CASE) environment and tools services, Graphical user interface (GUI) building services, Computer-based training and online help services, Identification and authentication services, Availability and fault management services, The ability to offer access to services in new paradigms such as object-orientation. needed in order to implement an IT infrastructure that meets the enterprise's business requirements in the optimal manner, and Application Software that is specific to the organization or to its vertical industry. often qualified; for example, "application platform", "standardized" and "proprietary platforms", "client" and "server Architecture Development Method (ADM) specifically includes extending the list of specifications to allow for coexistence with or links used by a system, and of course all the other systems connected to the network. suitable, organization-specific taxonomy by extending or adapting the TOGAF TRM taxonomy. operation. two categories of Application Software. to load the Contents TOGAF Architecture Development Method (ADM) This section describes, for each phase of the TOGAF ADM, what the architect should consider particularly when looking to apply the principle of service-orientation, and how this affects the outputs of the phase. This section describes the role of the TRM, the components of the TRM, and using other TRMs. that of portability. For the quality to be provided properly, all relevant functional services must have been designed to support it. The TOGAF Technical Reference Model (TRM) is an example of foundation architecture (The Open Group, 2009, p. 575 ff). Enterprises concerned with the IoT include: vertical area enterprises (manufacturers, municipalities, etc. Businesses thrive off change to deliver new products and services to earn revenue and stay relevant. The diagram says nothing about the detailed relationships between the entities; only that they exist. on top of the Application Platform, that is needed to address the enterprise's business requirements. No claims are made that the chosen categorization is the only one possible, or that it represents the optimal choice. IT architectures derived from TOGAF may differ greatly depending on the requirements of the information system. The objective of the TRM is to enable structured definition of the standardized Application Platform and its associated It is important to recognize that the Application Platform in the TOGAF TRM is a single, generic, conceptual entity. single subsection (Object-Oriented Provision of Services) in order to provide a single point of The TOGAF Library is a reference library containing guidelines, templates, patterns, and other forms of reference material to accelerate the creation of new architectures for the enterprise. Apart from the need to recognize that the structure embodied in the taxonomy is reflected in the structure of the SIB (so any Ensure everyone speaks the same language 2. their influence on the choice of software building blocks used in implementing the architecture. Examples of functional areas which may fall into Application Platform service categories in the future include: A detailed taxonomy of the Application Platform is given in Application Platform - Taxonomy . migration from other architectures. The content is still considered applicable and useful to support and assure compatibility with older software and hardware implementations. describe in terms of standards. general-purpose within the enterprise to be effectively considered as part of the IT infrastructure. To navigate around the document: Downloads of the TOGAF documentation, are available under license from the TOGAF information web site. This is considered further in Communications Infrastructure Interface . TOGAF® helps practitioners avoid being locked into proprietary methods, utilize resources more efficiently and effectively, and realize a greater return on investment. service. of requirements for Technology Architecture services, and the selection of standards for the Application Platform will be architecture. can contain markedly rapid increase in Internet usage and a steady increase in the range of applications linking to the network for distributed portability, provided that both platform and application conform to it. Infrastructure. Reference Model (Showing Service Categories), Communications Infrastructure Interface (, Patient record management services used in the Medical industry, Inventory management services used in the Retail industry, Geological data modeling services used in the Petroleum industry. the services and structure of the underlying platform necessary to support the use and re-use of applications (i.e., on application The IT architect must analyze the services actually quality has a unique influence on one particular service category. Examples of business applications might In some cases, a service quality affects each of the service categories in a similar fashion, while in other cases, the service An architecture constructed with TOGAF should drive the definition of a project Provides essential requirements to projects Provides a scope to the project, expressed using models that are … The term "platform" is used in many different ways within the IT industry today. The service qualities presently identified in the TRM taxonomy are: The TOGAF document set is designed for use with frames. But throughout a business’s lifetime, new systems are created, mergers require system integration or consolidation, new technologies are adopted for a competitive edge, and more systems need integration to share information. In this article, I'll share guiding principles for a reference architecture for the Healthcare industry. Widespread availability as Commercial Off-The-Shelf (COTS) software means that it is uneconomic to consider custom interoperable, and general-purpose to be potentially useful to a broad range of enterprise IT users. Service qualities have a pervasive An example make up business solutions have a complete, robust platform on which to run. The TOGAF Foundation Architecture is an architecture of generic services and functions that provides a foundation on which more Because of the different usages, the term is This Foundation Architecture has two main elements: The Technical Reference Model (TRM), which provides a model and taxonomy of generic platform services In a specific Target Architecture, the TRM components sitting on a backplane of qualities. capability should include fourth generation language-like capabilities that enable the use of programming logic within TOGAF® Series Guide: The TOGAF® Technical Reference Model (TRM), TOGAF® Series Guide: The TOGAF Integrated Information Infrastructure Reference Model (III-RM): An Architected Approach to Boundaryless Information Flow™. Another example of a service quality is security. However, a consideration to bear in mind in deciding which taxonomy to use, is that the taxonomy of the TOGAF TRM is used in taxonomy. The TOGAF Enterprise Continuum is a 'virtual repository' of all the architecture assets - models, Patterns, architecture descriptions and other artifacts - that exist both within the enterprise and in the IT industry at large, and that the enterprise considers itself to have available for … Use of private, unexposed interfaces among service modules may Alternatively, a different For example, for the management service to be effective, manageability must be a pervasive quality of all platform Provision of Services . Moreover, the Application Platform for a specific Target Architecture will typically not be a single entity, but rather a Besides the set of components making up the TRM, there is a set of attributes or qualities that are applicable across the This is a TOGAF® Series Guide. For The reference architecture (RA) template is designed to aid the development of reference architecture artifacts to support interoperability. This section describes the Application Platform taxonomy, including basic principles and a summary of services and : Analyze existing documents Determine domain specific processes Determine domain specific layers Extension of existing information Create submission document Analyze resulting documents of LEAF Analyze additional documents Generalize and anonymize Request further … This section describes the major elements of the TRM. The TOGAF TRM focuses on the Application Platform, and the "higher-level function" is the set of Application Software, running In particular, the model emphasizes the importance of focusing on the core set of services that can be guaranteed to be

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