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| Software Engineering |
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Software Engineering addresses the design, construction, and maintenance of software products. It is
the "application" of a systematic (repeatable), disciplined, quantifiable approach to the
entire life-cycle of software – from customer requirements elicitation to maintenance of the final
product. Included in software engineering are quality assurance, verification and validation, formal
methods, metrics, project management and information assurance.
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Many of LOT Software Engineering Consultants' projects involve software engineering – either the full
life-cycle process or some portion of the life-cycle. We adapt our software engineering services to meet
the specific needs of the customer. Each project uses structured processes, which are tailored to meet the
requirements in the statement of work. To provide more consistent processes across all of our projects,
LOT Software Engineering Consultants are currently utilizing the Software Engineering Institute (SEI)
Capability Maturity Model Integration (CMMI), Staged Representation, Level 3 achieved during the development
of the F-15 Technical Assistance Database System (TADS).
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LOT Software Engineering Process (SEP) represents a collection of process disciplines, sample artifacts,
and tool usage guidelines collected from the Rational Unified Process (RUP),
Microsoft Solutions Framework (MSF),
Enterprise Project Management Methodology (EPMM)
and the System Development Methodology (SDM).
LOT SEP has been proven on software development efforts in collaboration with several of the US Air Force weapons systems.
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LOT SEP disciplines are tightly coupled sets of activities, practices, and resulting artifacts which seek
to achieve a common goal. LOT SEP consists of six disciplines. These disciplines are enumerated and explained
below, with links provided to each of the appropriate SEP discipline pages.
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- Business Modeling - This discipline is tightly coupled with the Enterprise Project
Management Methodology (EPMM), using several of the EPMM outputs for creation of business modeling artifacts. This discipline also
marks the first stage in the evolution of the application's use cases and data structures.
- Requirements - Requirements is the most important of the SEP's disciplines. It includes
the capture of the system's business and supplementary requirements as well as the initiation of traceability activities for these
requirements. For applications developing in an iterative fashion, the iteration plan, which spells out the requirements to be
tackled during a particular iteration, is also a major artifact or this discipline.
- Analysis and Design - As part of the analysis and design discipline, the application's
requirements are further refined. A comprehensive design model is created; this design model will serve as the basis for implementation
activities.
- Implementation - During the implementation discipline, most of the development-related
activities take place. This includes the actual development, validation of the development products using a unit testing suite,
creation of API documentation, and establishing a deployment unit for migration to environments beyond development.
- Testing and Quality Assurance - This disciplines includes planning, creating, and
implementing tests of various kinds. These tests could include integration tests, user acceptance tests, load tests, stress tests, or
other types of testing which may or may not be automated. Also included in this discipline are provisions for software quality by means
of a software quality plan.
- Configuration and Change Management - There are two important aspects to the configuration
and change management discipline. First, this discipline includes software engineering specific refinements to the change management
procedures inherited from the project management process. Second, this discipline specifies how software change management and configuration
management interact, allowing for changes to be tied back to specific requests.
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