Labels:text | menu | document | font | screenshot | paper | number OCR: TABLE 1. ELEMENTS OF CRITICAL FRONT-END MILESTONES Milestone element Life-cycle objectives (LCO) Lifo-cycle architecture (LCA) Definition of operational concept + Top-level system objectives and scope + Elaboration of systern objectives and System boundary scope by increment Environment parameters and assumptions + Elaboration of operational concept -Evolution parameters by increment + Operational concept -Operations and maintenance scenarios and parameters -Organizational life-cycle responsibil- ities (stakeholders) Definition of system requirements . Top-level functions, interfaces, quality attribute levels, including; + Elaboration of functions, interfaces, quality attributes by increment -Growth vectors -klentification of to-be-determined Priorities steins (TBD9) + Stakeholders' concurrence . Stakcholdiers' concurrence on their on essentials priority concerns Definition of systern and . Top-level definition of at least one + Choice of architecture and elabora- Software architecture feasible architecture tion hy increment Physical and logical elements -Physical and logical components. and relationships connectors, configurations, constraints -Choices of COTS and reusable -COTS, reuse choices software elements Domain-architecture and architec- + Identification of infeasible tural style choices architecture options . Architecture evolution parameters Definition of life-cycle plan . Identification of life-cycle stakeholders + Elaboration of WWWWWHH -Users, customers, developers, maintainers, for JOC interoperators, general public, others -Partial elaboration, identification of + Identification of life-cycle process model - Top-level stages, increments key TBDs for later increments . Top-level WWWWWHH* by stage Feasibility rationale + Assurance of consistency among Assurance of consistency among elements above elements above -Via analysis, measurement, prototyping. + All major risks resolved or covered simulation, and so on by risk-management plan -Business case analysis for requirements, feasible architectures *1513 WITHIEL why, Wher. When, Who Where, How, How Much
