An Activity-Based Methodology
for Development and Analysis of Integrated DoD Architectures
March 2004
Steven J. Ring, The MITRE Corporation
Dave Nicholson, The MITRE Corporation
Jim Thilenius, The MITRE Corporation
Stanley Harris, Lockheed-Martin Corporation
ABSTRACT
This paper describes the Activity Based Methodology that establishes
a common means to express integrated DOD architecture information consistent
with intent of DoD Architecture Framework (DoDAF) and the Clinger-Cohen
Act. The methodology consists of a tool-independent approach to developing
fully integrated, unambiguous, and consistent DODAF Operational, System,
and Technical views in supporting both "as-is" architectures
(where all current elements are known) and "to-be" architectures
(where not all future elements are known). It is based on a set of DoDAF
Operational and System architecture elements aligned to each other from
which four Operational and four System architecture elements provide
the core building block foundation of integrated architectures. An integrated
architecture is the basis for any type of subsequent architecture analysis
for any purposes such as impact analysis and for identifying redundant,
conflicting, missing, and/or obsolete architecture elements. The DoDAF
Architecture Description Specification Model (DADSM), derived from the
aligned DoDAF architecture elements, will be presented as well as the
mapping of DADSM to military DOTMLPF. Workflow steps to creating integrated
DoDAF operational and system architecture descriptions will be described.
The Activity Based Methodology also enables the transition to executable
process models and their associated time-dependent behavior and dollar
cost analysis of complex, dynamic operations and human and system resource
interactions that cannot be identified or properly understood using
static models.
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