A Continuous Dispatch Decision Model for Sustainable IT Service Assignments

Hong Ngoc Vu, Chun Wei Lin, Ping Yu Hsu, Chung Yang Chen*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review


Information technology (IT) services are indispensable in enterprise sustainability programs. For the outsourcing of IT services, many companies use the contract service model and set up a project to implement timely IT requests which constantly arrive at different IT sites. The demand for outsourced IT services and related workforce coordination is a permanent decisional process, yet existing studies mainly focus on the one-time assignment or the centralized service model. Hence, this paper bases on the multi-period and multi-service allocation requirement to develop a sustainable assignment model. The model handles continuous service requests and decentralized worker assignments to optimize overall costs under the fixed-price contract type of IT service. A real industrial service case is reported to illustrate the model. A comparative review with related works is also provided to discuss the contributions of the model and to outline its future research and development.

Original languageEnglish
Article number70
JournalInternational Journal of Information Systems in the Service Sector
Issue number1
StatePublished - 2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
Copyright © 2022, IGI Global.


  • Decentralized Service
  • IT Services Management
  • Multi-Service Multi-Period of Continuous Assignment
  • Sustainable Worker Assignment


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