3 Secrets of Systems Modeling

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Architecting, specifying and developing complex, high performance systems presents unprecedented challenges. To manage complexity and deliver capable systems successful teams employ model-driven approaches that capture and
organize critical information using the SysML language with Systems Modeling.

The best approaches to System Modeling consistently deliver complete and effective technical results while also delivering substantial gains in business results, focusing on key engineering activities:
􀂃 Manage Complexity and Boost Communication
􀂃 Establish a Framework for Requirements and Architecture Engineering
􀂃 Define and Meet System Mission Performance Requirements

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3 Secrets of Systems Modeling

  1. 1. The 3 Secrets to Boosting Technical and Business Results with Systems ModelingArchitecting, specifying and developing complex, high performance systemspresents unprecedented challenges. To manage complexity and deliver capablesystems successful teams employ model-driven approaches that capture andorganize critical information using the SysML language with Systems Modeling.The best approaches to System Modeling consistently deliver complete andeffective technical results while also delivering substantial gains in businessresults, focusing on key engineering activities:: Manage Complexity and Boost Communication Establish a Framework for Requirements and Architecture Engineering Define and Meet System Mission Performance RequirementsIs there something common across the best approaches? Is there a way toconsistently deliver substantial gains in both technical and business results?Decades of experience has shown that System Modeling approaches that deliverthe biggest gains in overall results share the pursuit of these three virtues: Consistency through Canonical Information Simplicity through Multi-Aspect Separation Efficiency through Minimalist ModelingConsistency through Canonical Information : Alsoknow as "One Fact in One Place", this virtue eschewsthe cloning or copying of Systems Modeling informationand instead promotes the singular capture ofinformation in its most natural form. Once abstractedin the form that best supports error-free capture andmaintenance, appropriate transformation and transporttechnologies are used to make the information availablewherever it is needed and in the form it is needed.While this was always a "good idea" when convenient,modern modeling technologies and frameworks haveerased the old practicality barriers and elevated this toa cardinal rule.Simplicity through Multi-Aspect Separation : All systems engineeringapproaches apply some form of separation and organization of abstractions to
  2. 2. address complexity, mostly via a single axis of separation through simpledecomposition. While a hierarchy of nested elements is certainly useful, whenused as the only aspect of separation the hierarchy can re-introduce complexityand in fact obscure the actual subject-matter of the system itself. By applyingmultiple aspects of separation, the problem space can be cut in a number ofways. Each of these viewpoints can be tailored to maximize visibility of keyaspects of the system. Two common aspects are the Logical ComponentArchitecture with a feature/capability focus, and a separate Physical SubsystemArchitecture, each is fundamentally more simple because of the other. Manyaspects can be applied to take best advantage of the nature of a specificproblem space. Largely a combination of disciplined architectural andperspective techniques, this virtue brings a quantum boost in simplicity deliveringthe largest business gains.Efficiency through Minimalist Modeling : Embracing the adage that "less ismore", this brutally pragmatic discipline builds a straightforward inventory of allSystems Modeling stakeholders and catalogs all work products they consume.Then a modeling plan is built to construct only the model abstractions andelements needed to deliver these work products. Not only does this provide anexcellent bill of materials for what the completed systems model needs tocontain, but this also brings modeling efforts into sharp focus and avoidunfettered wanderings and stream-of-consciousness modeling that oftencharacterize poor project performance.Specific modeling techniques to leverage these virtues are tool independentand can be quickly adopted by your Systems Modeling team through trainingand mentoring. These virtues and other essential modeling skills are thefocus of the Pathfinder Solutions Fundamentals of System Modeling 3-day course. After the class build mastery of these essential techniques andtackle your modeling challenges head-on under the expert guidance of ourdeeply experienced mentoring/consulting team. Give your team the competitive edge - contact us: Pathfinder Solutions ● Wrentham, Massachusetts 02093 USA 888-662-PATH ● info@PathfinderSystemsModeling.com ● www.PathfinderSystemsModeling.com

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