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

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, ...