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Four Pillars of TOGAF

TOGAF, The Open Group Architecture Framework, centers on four pillars: Architecture Development Method (ADM) for lifecycle management, Enterprise Continuum for organizing assets, Architecture Repository for storage, and Governance for oversight and control.

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Four Pillars of TOGAF

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  1. FOUR PILLARS FOUR PILLARS OF OF TOGAF TOGAF

  2. BUSINESS ARCHITECTURE Business architecture is the organization's blueprint, outlining the tactical and strategic goals of the company. It is mostly focused on the core principles of the underlying industry. The primary topics of the business architecture are business users, business processes and business functions (capabilities). Understanding important business processes (such as invoicing and customer support), important participants (people) and their roles (such as sending out invoices, collecting money and prioritizing support calls) are the main challenges. It's likely that some of the procedures are lacking certain components, ineffective or inefficient or just undefined.

  3. APPLICATIONS ARCHITECTURE Automated solutions to enable or optimize company functions are known as business applications or systems. It is the duty of enterprise and solution architects to illustrate the application context which includes the applications (business systems) their interactions (integration) and the essential elements of each system. Creating a context map that illustrates the relationships between current and upcoming applications (integration) aids architects in comprehending the organization's systems landscape. Identifying these systems, their components and their interactions is not always easy in large organizations with tens of applications (including excel spreadsheets floating around the org!).

  4. DATA ARCHITECTURE The organization's lifeblood is its information. The source of truth for data, data entities and the relationships between data entities and their cardinality (one to one, one to many and many to many) are important topics in information architecture. An excellent tool for drawing an organization's data architecture is the entity relation diagram (ERD). Principal Difficulties: There are tens, if not hundreds of data items in medium-sized to large organizations (example of data objects include invoice, Project and Client). It's likely that one or more data objects are shared by several business functions (see Business Architecture above).

  5. TECHNOLOGY ARCHITECTURE Technology architecture comprises the underlying technology of the business systems, environments (DEV, UAT, PROD etc.), infrastructure (servers, network, switches, storage) and security architecture (data encryption, identity and access management etc.). Principal Difficulties: One of the principal difficulties faced by architects and the technical team is keeping up with the constant changes in technology within the organization. If you lag behind these frequent modifications, your documentation will become obsolete and ineffective!

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