预览加载中，请您耐心等待几秒...

基于WCF的遗留系统再工程研究.docx

预览
1/4
2/4
3/4
4/4

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于WCF的遗留系统再工程研究 Abstract WCF(WindowsCommunicationFoundation)isawidelyrecognizeddistributedsystemframeworkintheMicrosoftplatform,whichoffersthesimplifiedmodeltoexposetheremoteendpoints,organizethemessagesanddataformats,andsupportthedifferentprotocols.WiththebenefitsofWCF,itispossibletomigratethelegacysystemintothemoderndistributedarchitectureandenhancethescalability,reliability,andsecurity.ThispaperaimstopresenttheresearchontheuseofWCFforthelegacysystemreengineering.Thepaperdiscussestheconceptoflegacysystem,thechallengesoflegacysystemreengineering,andtheapplicabilityofWCFinlegacysystemreengineering.Furthermore,thepaperhighlightsthekeystepsandpracticesofWCF-basedlegacysystemreengineeringbyacasestudy. Introduction Alegacysystemisaninformationsystemthatisbasedontheoutdatedtechnology,hardwareorsoftware,andstilloperatesintheproductionenvironment.Thelegacysystemsareoftencriticaltothebusinessoperationsduetotheirlong-termusageanddeepintegrationwithothersystemsandprocesses.However,thelegacysystemsarechallengingtomaintain,extend,andevolve,duetothefollowingissues: -Technicaldebt:thelegacysystemsaccumulatethetechnicaldebtovertime,astheoriginaldesignandarchitecturemaynotfitthecurrentbusinessneedsortechnologylandscape.Thisresultsinthedifficultyoffixingbugs,addingfeatures,andenhancingtheperformanceofthesystem. -Vendordependency:thelegacysystemsmayrelyontheproprietarytechnologyorvendor-specificlanguage,makingitchallengingtohireortrainthenewstafforintegratewiththeothersystemsorcomponents. -Securityvulnerability:thelegacysystemsmayhavethesecurityvulnerabilitiesduetothelackofthemodernsecurityfeaturesandpractices,makingitpronetoattacksanddatabreaches. Therefore,thereengineeringofthelegacysystemsisoftenseenasastrategicinitiativefortheorganizationtoaddresstheaboveissuesandimprovetheoverallagility,efficiency,andinnovation. WCF-basedLegacySystemReengineering WCFisamatureandrobustframeworkforbuildingdistributedsystemsintheMicrosoftplatform.Itprovidesthefollowingkeycapabilitiesforthelegacysys