Case Studies: Business and Technical Perspectives in Migration of Legacy Systems to Service Oriented Architecture

TL;DR

This paper investigates critical success factors for migrating legacy systems to Service Oriented Architecture (SOA) by analyzing interviews from various European companies across different industries.

Contribution

It identifies and analyzes key business and technical factors influencing successful legacy system migration to SOA through multiple case studies.

Findings

Identified critical success factors from business perspective

Identified technical success factors for SOA migration

Provided insights across diverse industries

Abstract

In adoption process of Service Oriented Architecture (SOA), the legacy systems of a company can not be neglected. The reason is the legacy systems have been deployed in the past and have been running critical business processes within an enterprise in its current IT architecture. However not all migration process of legacy systems to SOA has been successfull. Highlighting the right factors to reach legacy systems migration success in a specific company is the key value. The main adopted research method in this study has been interviewed for different companies with different enterprises including bank, furniture, engineering and airline companies in Europe. Through separate interviews, critical success factors of migrating legacy systems into SOA have been collected and identified in each case company. Finally collected results are analyzed and presented as the recognized factors affecting successful migration of legacy assets into SOA from business and technical perspectives.