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New Directions in Web Data Management 1 pp 311–346Cite as

Migrating Legacy Assets through SOA to Realize Network Enabled Capability

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Part of the book series: Studies in Computational Intelligence ((SCI,volume 331))

Abstract

Network Enabled Capability (NEC) is the UK Ministry of Defence’s aspiration to enhance the achievement of military effect through the networking of future and existing military capabilities. The NECTISE (NEC Through Innovative Systems Engineering) program responded to this need by investigating the question ‘are you ready for NEC?’ on behalf of equipment and service providers. Research work on this project proposed Service Oriented Architectures (SOA) as an architectural approach to delivering dependable and sustainable military capability. Specifically the work looked at how loosely coupled services could be used to expose and reuse functions and databases and how to describe the quality of service for heterogeneous systems and networks. The System of Systems that NEC will be realized from will not be implemented from scratch, but rather will be migrated from legacy assets over time. These assets will provide both functionality and data/information services, for example a weather sensor.

The focus of this chapter is to layout an understanding of the challenges faced and lessons learned in realizing NEC when migrating legacy assets to an SOA (Service Oriented Architecture) based System of Systems over time in order to reuse their functionality and databases. This work was based around a Software Demonstrator to illustrate a situational awareness capability realized by dynamically discovering and aggregating sensor data. This focus is not specifically on sensors, however, the sensor example provides a good example of data integration to realize military capability.

An abstract decision process model for wrapping legacy components was proposed to guide how existing system components can be selected for integration into the system of systems that NEC will be realized from. This model can be used to assist in the integration process of system components when migrating to or between execution architectures. The process model provides decision support for trade-offs between the costs of reimplementation, system wrapping and those costs incurred as a consequence of System of Systems complexity and ongoing maintenance.

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Author information

Authors and Affiliations

  1. Distributed Systems and Services Group, School of Computing, University of Leeds, LS2 9JT, United Kingdom

    David Webster, Lu Liu, Duncan Russell, Colin Venters, Zongyang Luo & Jie Xu

Authors
  1. David Webster
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  2. Lu Liu
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  3. Duncan Russell
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  4. Colin Venters
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  5. Zongyang Luo
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  6. Jie Xu
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Editor information

Editors and Affiliations

  1. Department of Informatics, Aristotle University, 54124, Thessaloniki, Greece

    Athena Vakali

  2. School of Electrical and Information Engineering, University of South Australia, Adelaide Mawson Lakes Campus, 5095, South Australia, SA, Australia

    Lakhmi C. Jain

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Webster, D., Liu, L., Russell, D., Venters, C., Luo, Z., Xu, J. (2011). Migrating Legacy Assets through SOA to Realize Network Enabled Capability. In: Vakali, A., Jain, L.C. (eds) New Directions in Web Data Management 1. Studies in Computational Intelligence, vol 331. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17551-0_11

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  • DOI: https://doi.org/10.1007/978-3-642-17551-0_11

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-17550-3

  • Online ISBN: 978-3-642-17551-0

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