GUI windows reports U ●●● speech interface (AKA Presentation, View) ●●●●● HTML, XML, XSLT, JSP, Javascript ●●●● ●●● ●●●● handles presentation layer requests ●●0● Ion session state Applicati (AKA Workflow, Process ns Mediation, App Controller) consolidation/transformation of disparate data for presentation implementation of domain rules domain services(POS, Inventory) services may be used by just one (AKA Business Application Logic, Model) application, but there is also the possibility of multi-application services very general low-level business services used in many business domains Business Infrastructure Currency Converte (AKA LOW-level Business Services) (relatively) high-level technical services Technical Services and frameworks (AKA Technical Infrastructure Persistence, Security High-level Technical Services low-level technical services utilities and frameworks Foundation data structures. threads. math (AKA Core Services, Base Services fe,DB, and network∥o Low-level Technical Services/Infrastructure) width implies range of applicabilityUI (AKA Presentation, View) Application (AKA Workflow, Process, Mediation, App Controller) Domain (AKA Business, Application Logic, Model) Technical Services (AKA Technical Infrastructure, High-level Technical Services) Foundation (AKA Core Services, Base Services, Low-level Technical Services/Infrastructure) width implies range of applicability GUI windows reports speech interface HTML, XML, XSLT, JSP, Javascript, ... handles presentation layer requests workflow session state window/page transitions consolidation/transformation of disparate data for presentation handles application layer requests implementation of domain rules domain services (POS, Inventory) - services may be used by just one application, but there is also the possibility of multi-application services (relatively) high-level technical services and frameworks Persistence, Security low-level technical services, utilities, and frameworks data structures, threads, math, file, DB, and network I/O more app specific dependency Business Infrastructure (AKA Low-level Business Services) very general low-level business services used in many business domains CurrencyConverter