September 2003
Intermediate to advanced
416 pages
14h 1m
English
Table D-1 provides a convenient summary of the M/M/m queueing theory formulas described in Chapter 9.
Definition | Formula | |
Average number of arrivals | A | |
Average number of completed requests | C | |
Measurement period | T | |
Average busy time | B | |
Number of parallel service channels | m | |
Average arrival rate | | |
Average interarrival rate | | |
Average system throughput | | |
Average service time | | |
Average service rate | | |
Average total utilization | | |
Average server utilization or load (m servers) | | |
Probability that arriving request will be enqueued (ErlangC) |
| |
Average queueing delay |
| |
Average response time |
| |
Cumulative distribution function of response time ... |