Queuing theory - Priority queuing models
6 important questions on Queuing theory - Priority queuing models
What is meant with priority queuing models?
In priority queuing models say something about:
- Interarrival times;
- Interarrival times different customers;
- Description service time;
- the ranking of i;
- Interarrival times of type i customers are exponential;
- Interarrival times of different customers are independent;
- Service time is described by random variable Si;
- Lower numbered i has priority over higher numbered;
What is a nonpreemptive priority model?
In the kendall lee notation, this is labelled by the 4th characteristic being NPRP. By indicating multiple customers the first two characteristics are indicated with i's Mi/Gi etc.
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Considering nonpreemptive priority queuinig models, what does the following mean?
- Wqk
- Wk
- Lqk
- Lk
wk = state time in the system spent by a type k customer;
Lqk = state numberof type customers waiting in line;
Lk = state number of type k customers in the system;
Considering a nonpreemptive queuing model, how do you calculate Wqk, Lqk, Wk and Lk?
What is the definition of a preemptive priority?
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