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Decomposing legacy programs: a first step towards migrating to client-server platforms

delete2000-10-01
delete39
PRE
AI
G
Gerardo Canfora
A
A. Cimitile
A
Andrea De Lucia
G
G.A. Di Lucca
DOI：10.1016/S0164-1212(00)00030-3delete
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Abstract

Abstract

En 中文
A solution to the problem of salvaging the past investments in centralised, mainframe-oriented software development, while keeping competitive in the dynamic business world, consists of migrating legacy systems towards more modern environments, in particular client-server platforms. However, a migration process entails costs and risks that depend on the characteristics of both the architecture of the source system and the target client-server platform. We propose an approach to program decomposition as a preliminary step for the migration of legacy systems. A program slicing algorithm is defined to identify the statements implementing the user interface component. An interactive re-engineering tool is also presented that supports the software engineer in the comprehension of the source code during the decomposition of a program. The focus of this paper is on the partition of a legacy system, while issues related to the re-engineering, encapsulation, and wrapping of the legacy components and to the definition of the middleware layer through which they communicate are not tackled. (C) 2000 Elsevier Science Inc. All rights reserved.
Keywords:
SYSTEMS
GRAPH
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Journal

Journal of Systems and Software cover
Journal of Systems and Software
IF:
4.1
Papers:
5.4K
Citations:
8.4K

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