Phase 1 System Requirement Specification - The Square Kilometre ...

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SKA Requirements Landscape - 2SPDO• The nature of the community means thatrequirements engineering is particularly difficult in theearly phases– The preponderance of ‘soft’ requirements– The widespread belief that Requirements Engineering isinflexible– The magnitude of the work to achieve consensus• The first expression of most requirements (the ‘protorequirement’) usually needs clarification andrefinement• Proto requirements sometimes give rise to conflicts• Even complete, correctly expressed, non conflictingproto requirements need scrutiny regardingnecessity, heritage, credibility, implicitpessimism/optimism, abstruseness, ...
Requirements since CoDRSPDO• Descoped Science Requirements– Reduce the number of science DRMcomponents– Negotiate the performance and functionalityrequired for those DRM components• Ongoing• Extensibility to Phase 2– Some such requirements have been identified• Dish figure and feed accommodation• Ongoing– Extensibility requirements are likely to be on thecritical path
Page 3: SKA Requirements Landscape - 1SPDO
Page 7 and 8: Design Reference MissionSPDO• Pri
Page 9 and 10: Sources of RequirementsSPDO• Desi
Page 11 and 12: QuestionsSPDO

Phase 1 System Requirement Specification - The Square Kilometre ...

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