Comparing service-oriented and distributed object architectures

  • Authors:
  • Seán Baker;Simon Dobson

  • Affiliations:
  • IONA Technologies plc, Dublin, IE;School of Computer Science and Informatics, UCD, Dublin, IE

  • Venue:
  • OTM'05 Proceedings of the 2005 Confederated international conference on On the Move to Meaningful Internet Systems - Volume >Part I
  • Year:
  • 2005

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Abstract

Service-Oriented Architectures have been proposed as a replacement for the more established Distributed Object Architectures as a way of developing loosely-coupled distributed systems. While superficially similar, we argue that the two approaches exhibit a number of subtle differences that, taken together, lead to significant differences in terms of their large-scale software engineering properties such as the granularity of service, ease of composition and differentiation – properties that have a significant impact on the design and evolution of enterprise-scale systems. We further argue that some features of distributed objects are actually crucial to the integration tasks targeted by service-oriented architectures.