Togaf introduction and core concepts
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a summary of part 1 of togaf

a summary of part 1 of togaf

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Togaf introduction and core concepts Presentation Transcript

  • 1. TOGAF – A SummaryIntroduction and Core Concepts
  • 2. Where this fits in to TOGAF?
  • 3. What is TOGAF?
    The Open Group Architecture Framework is a framework – a detailed method and a set of supporting tools – for developing an enterprise architecture for use within that organisation
    TOGAF is developed and maintained by members of The Open Group, working with the architecture forum
  • 4. History of TOGAF
    1994 the US Department of Defense gave their Technical Architecture Framework for Information Management (TAFIM) to TOGAF for development
    1995 TOGAF version 1 was released
    2009 TOGAF version 9 was released
  • 5. What was new in TOGAF 9
    Design objectives
    Evolution not revolution
    No change to the top level processes
    Interoperability between TOGAF 8 and 9
    Stronger links to business
    Strategic Planning
    Deployment decisions
    Easier to use
    A More formal meta-model
    More guidelines and techniques
    Improved structure
    • New sections
    • 6. Architecture Planning
    • 7. Content Framework and MetaModel
    • 8. Capability Based Planning
    • 9. Business Transformation Readiness
    • 10. Architecture Repository
    • 11. Stakeholder Management
    • 12. Security
    • 13. SOA
  • Components of TOGAF 9
    High level introduction and key concepts, definition of terms and release notes
    Introduction and Core Concepts ( Part 1)
    TOGAF ADM
    and
    Content Framework
    Architecture Development Method (Part 2)
    Core of TOGAF, a step by step guide to developing enterprise architecture
    ADM Guidelines and Techniques
    (Part 3)
    Collections of Guidelines and Techniques to apply with using ADM
    Architecture Content Framework
    (Part 4)
    Structured Meta-model for architectural artifacts. Re-useable architecture building blocks
    TOGAF Enterprise
    Continuum & Tools
    Enterprise Continuum and Tools (Part 5)
    Taxonomies and tools to categorise and store outputs
    TOGAF Reference Models ( Part 6)
    Two reference models that can be applied to EA
    TOGAF Capability
    Framework
    Architecture Capability Framework
    (Part 7)
    How to establish and operate EA with an Organisation
  • 14. TOGAF Documentation Categorisation
    Core
    Fundamental concepts that form the essence of TOGAF
    Mandated
    Normative parts of the TOGAF specification
    Central top its use
    Would not be recognisable TOGAF if not used
    Recommended
    Pool of resources specifically referenced in TOGAF that can be used to assist practitioners
    Supported
    Not referenced in the other three categories but can provide valuable assistance
  • 15. What is Enterprise Architecture?
    Architecture of an Enterprise
    A formal description of a system, or detailed plan of a system at component level, to guide its implementation
    OR
    The structure of components, their inter-relationships, and the guidelines governing their design and evolution over time
    The highest level ( typically) of description of an organisation and typically covers all missions and functions. An enterprise will often span multiple organisations
    “An effective enterprise architecture is critical to business survival and success and is the indispensable means to achieving competitive advantage through IT”
  • 16. Why do we need Enterprise Architecture?
    Optimise the often fragmented legacy of processes (both manual and automated) into an integrated environment that is responsive to change and supportive of the delivery of the business strategy
    Good enterprise architecture helps achieve the right balance between IT efficiency and business innovation.
  • 17. Benefits of Enterprise Architecture
    Create a more efficient IT Operations
    Lower software development, support and maintenance costs
    Increased portability of applications
    Improved interoperability and easier system and network management
    Improved ability to address critical enterprise-wide issues like security
    Easier upgrade and exchange of system components
    Better return on existing investment, reduced risk for future investments
    Reduced complexity in IT infrastructure
    Maximum return on investment in existing IT infrastructure
    Reduced risk overall in new investment, and the costs of IT ownership
    Faster, simpler and cheaper procurement
    Buying decisions are simpler, because the information governing procurement is readily available in a coherent plan
    The procurement process is faster
  • 18. What is an architecture framework
    Foundational structure used to develop a broad range of different architectures.
    Provides a method to help design a target state of the enterprise in terms of building blocks, and to show how the building blocks fit together
    Set of tools and common vocabulary
    List of recommended standards
  • 19. Why use TOGAF as an architecture framework
    300 Architecture forum members
    Leading vendors and service providers
    Neutral and Open
    Plays an important role “de-mystify” and “de-risk” the architecture development process
  • 20. Core Concepts of TOGAF
    Enterprise Continuum
    The organisation structure, roles, responsibilities, skills and process required to practice Enterprise Architecture
    Is a view of the architecture repository that provides methods for classifying architectures and solution artifacts as they evolve
    Architecture Capability
    Architecture Development Method
    Architecture Continuum
    Solution Continuum
    Architecture Repository
    Deliverables
    Artifacts
    Stores different classes of architecture outputs at different levels of abstraction.
    Architecture Meta-model
    Building
    Blocks
    Reference Library
    Standards Information Base
    Techniques
    and Tools
    ADM provides a tested and repeatable process for delivering architectures
    Architecture Landscape
  • 21. Types of architecture domains
    Enterprise
    Architecture
    How the business
    is organised to met
    its objectives
    Business Architecture
    IT Architecture
    Information Systems or
    Applications Architecture
    How the information
    System support the objective of the business
    Data Architecture
    Structure of the data assets
    Technology Architecture
    How the technology
    fits together
  • 22. Architecture Domains : Definitions
    Architecture Domain: The architecture area being considered
    Business architecture: The business strategy, governance, and key business processes information as well as the interaction between these concepts
    Application architecture: A description of the major logical groups of capabilities that manage the data objects necessary to process the data and support the business
    Data architecture: The structure of an organisation’s logical and physical data assets and data management resources
    Technology architecture : The Logical software and hardware capabilities that are required to support deployment of business, data and application services, includes middleware, networks, communications etc