The number of overtakes in an M/M/2 queue

Whitt, 1984, The amount of overtaking in a network of queues, Networks, 14, 411, 10.1002/net.3230140305 Gordon, 1987 Larson, 1987, Perspectives on queues: social justice and the psychology of queueing, Oper Res, 35, 895, 10.1287/opre.35.6.895 Rafaeli, 2002, The effects of queue structure on attitudes, J Serv Res, 5, 125, 10.1177/109467002237492 Avi-Itzhak, 2008, Quantifying fairness in queueing systems - principles, approaches, and applicability, Probab Eng Inf Sci, 22, 495, 10.1017/S0269964808000302 Avi-Itzhak, 2007, SQF: A slowdown queueing fairness measure, Perform Eval, 64, 1121, 10.1016/j.peva.2007.06.018 Avi-Itzhak, 2007, A resource allocation queueing fairness measure: properties and bounds, Queueing Syst, 56, 65, 10.1007/s11134-007-9025-x Sandmann, 2005, A discrimination frequency based queueing fairness measure with regard to job seniority and service requirement, 106 Kim, 2016, Analysis of overtaking in m/m/c queues, Comput Ind Eng, 101, 177, 10.1016/j.cie.2016.09.005 Neumann, 2018, The expected discrimination frequency for two-server queues, Oper Res Perspect, 5, 145, 10.1016/j.orp.2018.06.001 Asmussen, 2003, Applied probability and queues, vol. 51 Kleinrock, 1975