Waiting and interdeparture times in priority queues with Poisson- and general-arrival streams

This paper presents new results for the interdeparture time distributions in single-server priority queues with an arbitrary number of high-priority Poisson-arrival classes and one lowest-priority general-arrival class. Little-known results for the waiting time distributions in the same queue are presented, including a new proof for the powerful result that the waiting time distribution in the non-preemptive priority queue is insensitive to the interarrival time distributions of lower-priority classes, beyond their mean.