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| TABLE 1
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Primary phases of the ROPES spiral
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Phase
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Description
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| Party
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1. Initial project planning, scheduling, resource allocation, concepts, and development strategies, including development plans, configuration management plans, the set of prototypes to be produced, and so on.
2. On-going process improvement and realignment activities to ensure the process
is working well, risks are being reduced, the architecture is scaling, and so on.
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| Analysis
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Identification of all aspects of the product that are required for correctness.
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| Design
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Selection of a specific solution that optimizes all required quality of
service of the system, such as
worst case performance, average case
performance, reusability, safety, reliability, and so on.
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| Translation
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Generation of machine-executable code, either via automation or
manual generation, and the unit-test of those components.
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| Test
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Ensuring that the prototype is constructed properly
of its various
components and subsystems (integration) and achieves its specific set of
requirements (validation).
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