We examine a queueing system with multiple primary servers and a fewer number of auxiliary servers. There are two classes of customers---those who require service from a primary server working alone and those who require service from a primary server who is assisted by an auxiliary server....

We examine a multi-server queueing system with Poisson arrivals in which customers require simultaneous service from a random number of servers. Servers assigned to the same customer begin and end service concurrently. Service times are, in general, assumed to be exponentially distributed. A...

The stationary distributions of the waiting time and number in the system are obtained for a variant of an M/M/2 queue in which non-waiting customers receive a different rate of service from those who must wait in line. Characteristics of the solution, and applications of the model are...