TOGAF – Enterprise Architecture framework

The Open Group Architecture Framework (TOGAF) is a framework — a detailed method and a set of supporting tools — for developing an enterprise architecture. It may be used by any organization wishing to develop an enterprise architecture for use within that organization.
TOGAF is developed and maintained by members of The Open Group, working within the Architecture Forum (refer to www.opengroup.org/architecture). The original development of TOGAF Version 1 in 1995 was based on the Technical Architecture Framework for Information Management (TAFIM), developed by the US Department of Defense (DoD).

Advantages

  • Independence - TOGAF is not bundled to any commercial interest of a particular supplier.
  • Best practices - the greatest experts in the market are developing TOGAF
    for more than 15 years. Therefore it contains the best-proven practices in the IT architectures world.
  • Recognized international standard – TOGAF is a respected international standard recognized as such by IT experts, management, investors and shareholders.

What is TOGAF? ?

TOGAF is an architectural framework – The Open Group Architectural Framework. It is a valuable tool for developing a broad range of different IT architectures. Most importantly, it enables you to design, evaluate, and build the right architecture for your organization. The key to TOGAF is a reliable, proven method – the TOGAF Architecture Development Method (ADM) – for developing an IT architecture that meets the needs of your business. ?

Why a "framework" for IT Architecture? ?

Using an architectural framework will speed up and simplify architecture development, ensure more complete coverage of the designed solution, and make certain that the architecture selected allows for future growth in response to the needs of the business. Architecture design is a technically complex process, and the design of heterogeneous, multi-vendor architectures is particularly complex. TOGAF plays an important role in helping to "de-mystify" the architecture development process, enabling IT users to build genuinely open systems-based solutions to their business needs. ?

Why is this important? ?

Those IT users who do not invest in IT architecture typically find themselves pushed inexorably to single-supplier solutions in order to ensure an integrated solution. At that point, no matter how ostensibly "open" any single supplier's products may be in terms of adherence to standards, the user will be unable to realize the potential benefits of truly heterogeneous, multi-vendor open systems.

What specifically does TOGAF contain?

TOGAF consists of two parts: the TOGAF Foundation Architecture and the TOGAF Architecture Development Method (ADM).

TOGAF Foundation Architecture

The TOGAF Foundation Architecture is an architecture of generic services and functions that provides a foundation on which specific architectures and architectural building blocks can be built. This Foundation Architecture includes the TOGAF Standards Information Base (SIB), which is a database of open industry standards that can be used to define the particular services and other components of an organization-specific architecture.

TOGAF ADM

The TOGAF Architecture Development Method (ADM) explains exactly how to get from the Foundation Architecture to an organization-specific one. The ADM provides:

  • A proven method – the Business Scenario Method – for defining and understanding the business requirements that the architecture is to address 
  • A reliable, practical way of developing the architecture 
  • Guidance on developing architecture views which enable the architect to ensure that a complex set of requirements are adequately addressed 
  • A worked example and linkages to practical case studies 
  • Tools for architecture development ?In short, TOGAF provides a common sense, practical, prudent, and effective method of developing an IT architecture.

What are the specific business benefits?

The technical advantages that result from a good IT architecture bring important business benefits, which are clearly visible in the bottom line.

A more efficient IT operation
Better defined structure and modularity in the IT infrastructure lead to a much more efficient overall IT operation:
• Lower software development, support, and maintenance costs
• More application portability
• Improved interoperability and easier system and network management
• Better ability to address critical enterprise-wide issues, such as security
• Easier upgrade and exchange of system components

Better return on existing investment, reduced risk for future investment ?
The structure of existing and planned systems is clearly defined, leading to:
• Reduced complexity in IT infrastructure
• Maximum return on investment in existing IT infrastructure
• Flexibility to make, buy, or out-source IT solutions
• Reduced risk overall in new investment, and the costs of IT ownership ?

Faster, simpler, and cheaper procurement ?
There is a clear strategy for future procurement and migration, with the result that:
• Buying decisions are simpler, because the information governing procurement is readily available
 in a coherent plan.
• The procurement process is faster – maximizing procurement speed and flexibility without
sacrificing architectural coherence. ?

Flexibility for business growth and restructuring ?
It is much easier to ensure access to integrated information across the enterprise:
• Maximum flexibility for business growth and restructuring
• Real savings when re-engineering business processes following internal consolidations, mergers,
 and acquisitions

Intended Audience

TOGAF is intended for enterprise architects, business architects, IT architects, data architects, systems architects, solutions architects, and anyone responsible for the architecture function within an organization.



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