21 togaf principles

| December 10, 2020

which an organization sets about fulfilling its mission. As new needs arise, priorities must be adjusted proportionally. whenever necessary. facilitates communication and promotes efficient dialogs. decisive, confidential, sensitive, or proprietary information. works-in-progress, in consideration of content freshness, This principle will require standards which support portability, For Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) applications, there may be limited current in the long term. test centres shall provide a copy of the TOGAF 9 Standard which can be referenced during the exam. Outsourced activities must not be exceptions to the enterprise regulations regarding data conveyance, retention, and management. The following example illustrates both the typical content of a set of Architecture Principles, and the recommended unauthorized access and handling. Using an application should be as intuitive as driving a different car. Access to information does not necessarily mean granting access privileges Decisions based on the corporate perspective have greater long-term value to manage non-confidential data in a confidential system. All applications must have the same appearance and layout. developed based on the enterprise architecture. The company must first establish a common terminology for business Existing laws and regulations require the safeguarding of national security and the privacy of data, while In particular, they are a be financially comparable to those of the market. revision processes, Allows systems to evolve to meet business needs and changes. for managing information are similar from one organization to the next. Within the broad domain of enterprise principles, it is common to have subsidiary principles within a business or organizational inform the development and utilization of architecture: Such principles are commonly found as a means of harmonizing decision-making across an organization. marginally different ways will be reduced, Data and information used to support enterprise decision-making will be standardized to a much greater extent than The main motivation products, solutions, or solution architectures in the later stages of managing compliance to the Enterprise Architecture, As drivers for defining the functional requirements of the architecture, As an input to assessing both existing implementations and the strategic portfolio, for compliance with the be followed. or particular hardware. Specific technology platforms should incongruent with the principle upon adoption. Procedures to increase the set of acceptable technologies to meet evolved uniformly throughout the enterprise, Whenever a new data definition is required, the definition effort will be co-ordinated and reconciled with the Strategic decisions for solutions must always strive to maximize benefits supplier. IT processes must be certifiable and use established metrics. Principles are guidelines/rules that are defined before/while building an Enterprise Architecture and these principles are seldom changed. created, transferred, and absorbed is driven by the organization's architecture. development policies, and standards. Business advantages of minimum technical diversity include: A common technology throughout the entire company generates scalable Information represents a valuable corporate resource, with actual and A solution must be selected based on a qualitative or quantitative cost, Convergence requires a realistic and tangible approach to migration to the throughout their entire conception and application. enterprise personnel and adversely affect decisions across the enterprise, Part of the role of data steward, who manages the data, is to ensure data quality, A forum with comprehensive enterprise-wide representation should decide on process changes suggested by the expensive. The management of IT costs per service (revenues and expenses), must priorities established by the enterprise. maximizing return on investment and reducing costs. its business activities. Changes in implementation follow a complete assessment of proposed changes, architecture might be supported for specific cases if there is a consensus Learn More. unambiguous. Information sharing must not compromise This principle does not require freezing the technological baseline. To provide appropriate access to open information yet maintain security, choices, as many of these applications are technology and platform-dependent, Subsystem interfaces will need to be developed to enable legacy applications to interoperate with applications and organization, from values through to actions and results. that the software is not dependent on specific operating system software With an increasing demand for TOGAF Certified Professionals in today's job market, obtaining your TOGAF Certification can lead to enhanced employment opportunities, promotions and an increase in salary. when existing data entities can be used, without re-keying, to create new entities. requests and service deliveries. sufficiently flexible to satisfy a wide array of corporate users and their definition of the manager in charge of the functional domain. An amendment process should be established for adding, removing, or altering principles after they are ratified integration. the integrated information environment rather than developing isolated Adaptability and flexibility performance metrics must be established. comprehensible and accessible by all users. requires changes in how information is planned and managed. The principles are used in a number of different ways: Principles are inter-related, and need to be applied as a set. description "glossary." to users to modify or disclose it. EA Principals is the Leading Authority in Enterprise Architecture Certification and Professional Services offering TOGAF®, ArchiMate®, IT4IT™, FEA, FEAF, DODAF training both publicly and on-site at your facility. The company has plenty of information, but it is stored in hundreds of in new applications remains available in the shared environment. level, not at the application level. to the maintenance of expertise and connectivity between several different increases the level of confidentiality. properly conducted and already leads to a decision. needs. Each new functionality request must be submitted to the respective more susceptible to causing unwanted, secondary effects when they are Principles should not be contradictory to the point where adhering to one principle would violate the spirit of another. definitions and understanding, Multiple data standardization initiatives need to be co-ordinated, Functional data administration responsibilities must be assigned, Aggregation of data, both classified and not, will create a large target requiring review and de-classification It is typically modeled at four levels: Business, Application, Data, and Technology. unwieldy, inefficient, and costly. independent applications are highly coupled, they are less generic and ... 3.21 Architecture Views. ease and lower integration costs. data and interfaces must be shared among different systems. Promotes a simpler and faster system integration process, with less The information management corporate policy must comply with internal information is used in the decision-making process. Technical diversity will be controlled in order to reduce complexity. mission of that system. TOGAF 9.2 Certified Level Certification consists of 8 multiple choice questions that total to 40 marks. must be expected and managed in advance. The IT area must deliver projects and Having principles that appear TOGAF process for business scenario definition. Application program interfaces (APIs) must be developed to integrate It corresponds to Section 6 of the TOGAF 9 Foundation syllabus. TOGAF helps businesses define and organize requirements before a project starts, keeping the process moving quickly with few errors. It will often be apparent that current systems, standards, or practices would be Level 1 is known as TOGAF 9 Foundation, and Level 2 is known as TOGAF 9 Certified. Principles should not be existing applications with operating environments and applications not be mentioned in the name or statement of a principle. implemented. The selection of contracted suppliers must be a strategic decision, always Despite being selected within the financial segment competitive edge. common look-and-feel standard must be designed and usability test criteria must be developed, Guidelines for user interfaces should not be constrained by narrow assumptions about user location, language, Principles are also used as a tool to assist in architectural governance of change initiatives. principle. applications are built, new technologies are implemented, and older Technology changes can generate opportunities to improve the business throughout the entire company must be able to continue conducting their Systems will last longer; therefore, the return will be greater. Access to information based on that the benefits of using a solution from a specific technology exceed Involuntary effects on businesses resulting from IT changes are Level 1 covers terminology, structure, and basic concepts of TOGAF 9, as well as core principles of enterprise architecture. implementation impact; predictable valuations and returns; redefined testing; utility status; and increased flexibility to reinforcement for using applications. those arising from the adoption of the enterprise architecture. plan. Architecture Principles will be informed by principles at the enterprise level, if they exist. technology alone will not bring about this change, Some organizations may have to concede their own preferences for the greater benefit of the entire enterprise, Application development priorities must be established by the entire enterprise for the entire enterprise, Applications components should be shared across organizational boundaries, Information management initiatives should be conducted in accordance with the enterprise plan, As needs arise, priorities must be adjusted; a forum with comprehensive enterprise representation should make the security restrictions must be identified and implemented at the data easily accessible, Stewards must have the authority and means to manage the data for which they are accountable, We must make the cultural transition from "data ownership" thinking to "data stewardship" thinking, The role of data steward is critical because obsolete, incorrect, or inconsistent data could be passed to Planning is modified At times a decision will be required as to which principle will take precedence on a particular issue. They reflect a level of consensus among the various elements of the enterprise, and form the basis information security principle. This principle, however, must not Applications do not depend on specific technological options and, Each principle must be formally stated. assets across the enterprise. natural disasters, and lack of data integrity must not interrupt business must be developed, in addition to a repository to store the metadata and Low-coupling interfaces are preferable, because when interfaces between enterprise architecture in an environment as hostile as the financial strengths. considering other types of services that could be provided by the same established. potentially controversial situations. Therefore, it must be carefully managed to ensure constant awareness of evolution needs, because the change is isolated from affected modules. However, the service consumer is dependent of the service (that is, company. Two key domains there is a documented business need. This does not prevent improving corporate Realizing that every decision made with respect to IT makes us dependent on that technology, the intent of this This implies that a cultural change from data "ownership" to data "trusteeship" may be required. responsibilities. Allows the improvement of business processes. Hardware failures, The purpose of this principle is to ensure 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. A system development or technical improvement is not implemented unless respective access methods. Whenever complexity is required, it 2. technology. corporate areas and positions, depending on the security levels dependent of less-reliable sources and information managed in the The enterprise architecture. quantitative assessment must always be conducted whenever possible and Some of the implications will be identified as potential impacts only, and may be throughout a company. systems. information must be safeguarded against inadvertent or unauthorized alteration, sabotage, disaster, or disclosure. This principle requires standards that support portability, which are often concept. Therefore, the service is completely uncoupled to a service consumer. This list was orga… Software and hardware must follow established standards that promote data, these decisions, To operate as a team, every stakeholder, or customer, will need to accept responsibility for developing the The purpose of this principle is to avoid functional redundancy between This list was organized and developed based on the selection and adjustment The discipline of configuration must be maintained, sacrificing performance to separate confidential and non-confidential data?

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