摘要:Infrastructure for s ystem trans fer to web-based en vironm ent as internet techn olog y an d distributedco mputin g en vironm en ts h av e been developed . Ex isting system un der mainframe or client/server-b asedco mputin g en vironm en t sh ould b e mig rated in to new p latform. In this paper, we propo se th e strategy tod ecid e the scop e an d techniq ue of com pon en tization from legacy sy stem what can b e the assets. In thereen gineerin g metho dolog y of leg acy s ystem, th e g oals of p lan ning phase are identified th e p rob lem s oflegacy sy stem and improvement strateg y. Fo r do ing this, we sho uld id en tify the bu siness value ofreen gineerin g an d com pon en tization . So, in this paper, we p rop ose v alu e-estimated m eth ods ofco mpon entization and criteria for deciding the sco pe and method of comp onen tization
关键词:co mpo nentizatio n; mig ration; reen gineerin g m eth odo lo gy; v alu e-estimated metho d