Journal of the Operations Research Society of China ›› 2026, Vol. 14 ›› Issue (1): 55-79.doi: 10.1007/s40305-023-00517-w

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Equilibrium Strategies in a Fluid Queue with Working Vacations

Si-Jia Cai, Qing-Qing Ye, Yu-Fei Liu   

  1. School of Mathematics and Statistics, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
  • Received:2023-03-14 Revised:2023-08-30 Online:2026-03-30 Published:2026-03-16
  • Contact: Qing-Qing Ye E-mail:yeqingzero@gmail.com
  • Supported by:
    The research was supported by the National Natural Science Foundation of China (Nos.11901307 and 42275160).

Abstract: We consider a fluid queue with working vacations. Once the buffer becomes empty during the normal working period, the buffer will enter a working vacation period during which the outflow rate of fluids will be switched to a lower rate than that in normal working period. After this working vacation period, if the buffer is non-empty, the outflow rate of fluids will be switched to normal rate immediately; otherwise, the buffer will enter another working vacation until the buffer is non-empty after one working vacation. For such a fluid queue, based on the utility function, we analyze the strategic behavior of the fluids, regarding the joining/balking dilemma, under the fully observable case, almost observable case and fully unobservable case. Furthermore, the expected equilibrium social benefits under different cases are discussed. At last, the optimal social benefit strategy is analyzed and the inefficiency of the equilibrium strategies is quantified via the Price of Anarchy (PoA) measure.

Key words: Fluid queue, Working vacation, Equilibrium strategy, Social benefit

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