Research Article
An M/M/2 Queueing System with Heterogeneous Servers Including One with Working Vacation
Table 2
Case A: , , and . Case B: , , and .
| | A/B | | | | | | | | | |
| 0.1 | A | 0.112 | 0.092 | 0.333 | 0.575 | 5.575 | 0.059 | 0.137 | 0.174 | 2.20 | B | 0.028 | 0.044 | 0.451 | 0.506 | 14.857 | 0.209 | 0.536 | 0.56 | 6.952 | 0.2 | A | 0.125 | 0.104 | 0.306 | 0.589 | 5.314 | 0.054 | 0127 | 0.165 | 2.086 | B | 0.04 | 0.064 | 0.408 | 0.528 | 10.582 | 0.137 | 0.365 | 0.39 | 4.907 | 0.3 | A | 0.133 | 0.113 | 0.287 | 0.600 | 5.169 | 0.051 | 0.121 | 0.159 | 2.019 | B | 0.048 | 0.078 | 0.379 | 0.543 | 9.044 | 0.111 | 0.301 | 0.326 | 4.137 | 0.4 | A | 0.140 | 0.119 | 0.272 | 0.608 | 5.066 | 0.049 | 0.117 | 0.155 | 1.974 | B | 0.054 | 0.088 | 0.357 | 0.555 | 8.232 | 0.097 | 0.266 | 0.290 | 3.714 | 0.5 | A | 0.144 | 0.125 | 0.26 | 0.615 | 4.983 | 0.047 | 0.114 | 0.152 | 1.941 | B | 0.059 | 0.097 | 0.340 | 0.564 | 7.724 | 0.088 | 0.243 | 0.268 | 3.442 | 0.6 | A | 0.148 | 0.129 | 0.250 | 0.622 | 4.914 | 0.046 | 0.112 | 0.150 | 1.915 | B | 0.063 | 0.103 | 0.325 | 0.572 | 7.374 | 0.082 | 0.227 | 0.252 | 3.248 |
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