Pt.3: Restructuring of very large Information Systems for increased flexibility Claus Hagen. Yovisto Academic Video Search. analysis Interface program Problem goals code mainframe Agenda versions versioning Source component Platform OVERVIEW oriented Eidgenössische Technische Hochschule Zürich (ETHZ) they work hard requir challenging task complexity reduc approach component-oriented part controlled allows architectur integration management interfac tim over them transform hav system whol chang cannot enterpris landscap application operation development control metrics process defined fairly scal larg credit-suiss syst information callabl remot standardization catalogued zero version evolution managed stag evolution csib implementation interfac standardized management interfac managed dependenci architectur component-oriented program goal analysis probl agenda languag abstract defined interfac generator cod russet independenc technologi cheap handling manor structur reusabl fast generated implementation interfac data common standard design independent neutral technology wsdl public independenc implementation remot allows fil file-based standard follows messag websph message-based procedur standardized load level call integration service-based interfac implementation standard plattform technologi franc lingua servic amus technology class infrastructur revisited integration stag evolution csib implementation standardized management interfac interfac managed dependenci architectur component-oriented program goal analysis probl agenda version minor with versioning defaulted optional which field input field chang does heid output compatibl backward contract previous fulfill version description contractual wher interfac version minor definition interfac extendabl versioning interfac versioning interfac versioning interfac platform from abstract independenc technology business portability high management interfac well-documented well-defined reusabl deployabl independently cosi time-to-market fast project independent interfac managed probl agenda stag evolution csib implementation interfac standardized management interfac managed dependenci architectur component-oriented program goal analysis lash ii-iii tili relation exampl couping numb public interfac allows model component dependenci analysis cod runn architectur component-oriented coit bigg component small data following model last overview 11p0 domain servic public bigg component small component data following model last overview access provid domain application remind with aligned becom impact hav keep areas defined component into application grouping local most afflict support landscap application sinc chang that business cohesion chirurgical medium worth only management high risky hang chang long short market tim flexibility interfac mak dependenci cost granularity component lion hast nelson cod transformation clear less becam pictur samn read thus access found ther tabl access exampl loading dynamic assembl created dynamically statement used widely macros allows failed first analysis cod sourc pictur reduced exampl cod sourc sourc moth count reinstat analysis cod hundred som phase-out aft net description control plan execution def element assembl sourc cobol copybook modul program landscap application mainfram overview stews anty gamma platform banking swiss development hav disentangling impact what process adapt easily develop affected support target bday from during betwe emerging manag should lication component many futur test need gent architectur component-oriented introducing architectur component-oriented introducing stag evolution insid csib implementation standardized management lifecycl interfac interfac managed dependenci architectur component-oriented program goal analysis probl agenda hill rat hunch managed manag audubon architectur target encapsulated versioned over reus component into structur internal unknown brok offering application with transformation architectur enterpris component group applicaton singl market tam reduc cycl development flexibl mor short program goal unto choic giv platform oth betwe enabl platform mak about freedom dependenci eliminating enhanc aft emergency numb chang unnecessary cost cost adaptation brought independently allow dat deployment creat stag evolution mad csib implementation standardized management interfac interfac managed dependenci architectur component-oriented program goal analysis probl agenda hav houston application betwe dependenci pictur clear ther uncontrolled testing rollback oft high rat error cost development mainfram high time-to-market analysis probl conclusion pik notic short adaptation requir phas test coding project known becom component inoth many today lat planned significantly increas chang cost development during autonomy component increased year versioning through benefit expect decoupling lifecycl testing exampl pik notic short adaptation requir phas test coding project known becom component inoth many today lat planned significantly increas chang cost development during autonomy component increased year versioning through benefit expect decoupling lifecycl effort testing exampl growth wild mainfram reus ming insufficient numb yellow indicated oath explanation lug charm productiv going aft chang emergency complexity component monolithic special java platform chang resistanc coupled integrated optimized hughly mess cor most productiv cod lsnes working develop enhanced investment banking swiss platform important mainfram monolith mainfram successful progress measur mainfram memo mmqt information remind stag evolution insid csis implementation standardized management lifecycl interfac interfac managed dependenci architectur component-oriented program goal analysis probl agenda application mainfram disentangling