We consider a multi-priority, nonpreemptive, multi-server queueing system, with Poisson arrivals and negative exponential service times. In order to save available servers for higher priority ...

Considered is a class of rth order delay-dependent priority queuing disciplines in which a customer from the pth priority group, who arrives at time T, has a priority qp(t) at time t given by qp(t)=bp ...