INTRODUCTION..................................................................................................................................................................1BUSINESS MODELING.......................................................................................................................................................3SYSTEM ARCHITECTURE................................................................................................................................................4SYSTEM ARCHITECTURE DIAGRAMS.........................................................................................................................5LOCALITY.............................................................................................................................................................................8RELATION TO 4+1 ARCHITECTURE MODEL............................................................................................................11REQUIREMENTS ANALYSIS..........................................................................................................................................11DERIVED REQUIREMENTS............................................................................................................................................11USE-CASE FLOWDOWN..................................................................................................................................................12SUPPLEMENTARY REQUIREMENTS FLOWDOWN..................................................................................................20COMPONENT SPECIFICATION.....................................................................................................................................20SYSTEM DEVELOPMENT................................................................................................................................................22