By Danny Greefhorst, Erik Proper
It may be argued that structure ideas shape the cornerstone of any structure. the focal point of this ebook is at the function of structure rules. It presents either a balanced viewpoint on structure rules, and is the 1st booklet at the topic.
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Extra info for Architecture Principles: The Cornerstones of Enterprise Architecture (The Enterprise Engineering Series)
This colloquialism can be explained as most models used in process modeling and software development are graphical models. Models, however, do not necessarily have to be graphical. In the context of enterprise architecture, a multitude of models are used that describe different aspects: • Different levels of realization: from conceptual via logical to physical. • Different aspects of transformation: from contextual (why) via design (where to) to the actual transformations (how). • Different aspects of enterprises: from goals via services, products and processes to IT.
Once credos have been (re)formulated such that they are specific enough, we can start to refer to them as a norm: NORM A normative principle in the form of a specific and measurable statement. The Webster dictionary (Meriam-Webster 2003) defines a norm as: a principle of right action binding upon the members of a group and serving to guide, control, or regulate proper and acceptable behavior. Norms can also be regarded as a tactic by which (the intention of) a credo can be enforced. TOGAF defines an architecture principle as “a qualitative statement of intent that should be met by the architecture”.
Based on Rose’s and Friedrich’s definition of policy, as well as later definitions by others (Anderson 1975; Eulau and Prewitt 1973; Robbins et al. 1997; Schneider and Ingram 1997), Nabukenya et al. (2007a, 2007b, 2007c) provided the following definition of a policy as a synthesis: POLICY A purposive course of action followed by a set of actor(s) to guide and determine present and future decisions, with an aim of realizing goals. We argue that in the case of enterprise transformations, policies for steering enterprise transformations correspond to the use and enforcement of sets of architecture principles.
Architecture Principles: The Cornerstones of Enterprise Architecture (The Enterprise Engineering Series) by Danny Greefhorst, Erik Proper