Reengineering of Legacy Systems into Supply Chain Systems: Traditional Data Oriented versus Process Oriented Approaches

Reengineering of Legacy Systems into Supply Chain Systems: Traditional Data Oriented versus Process Oriented Approaches

Raul Valverde (Concordia University, Montreal, Canada and CONAIC, Mexico) and Malleswara Talla (Concordia University, Montreal, Canada)
DOI: 10.4018/IJOCI.2017040101
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Abstract

The paper presents data oriented and process oriented models of legacy systems. It discusses the details of systems development and evolution models mainly aiming at an ongoing reengineering of legacy systems into supply chain systems. It proposes few strategies for reengineering of both data oriented model and process oriented models. The legacy systems often miss automatic interfaces to supply chain systems, so the article presents a strategy focusing on automatic update of data of the system. Likewise, the article also presents a strategy for process reengineering in order to integrate these legacy systems into supply chain systems. Finally, a legacy system is envisioned as a comprehensive mix of both data and process oriented, while proposing a gradual ongoing reengineering of both data structures and process methods.
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2. Supply Chain Systems

The internet and information technology have important effects in the modern chain management. The most import according to Simchi-Levi et al., (2003) objectives of IT in Supply Change Management are:

  • Providing information availability and visibility;

  • Enabling single point of contact of data;

  • Allowing decisions based on total supply chain information;

  • Enabling collaboration with supply chain partners.

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