Browsing University of Waterloo by Author "Fajardo, Val Andrei"
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Controlling the workload of M/G/1 queues via the q-policy
Drekic, Steve; Fajardo, Val Andrei (Elsevier, 2015-06-01)We consider a single-server queueing system with Poisson arrivals and generally distributed service times. To systematically control the workload of the queue, we define for each busy period an associated timer process, ... -
A Generalization of M/G/1 Priority Models via Accumulating Priority
Fajardo, Val Andrei (University of Waterloo, 2016-01-08)Priority queueing systems are oftentimes set up so that arriving customers are placed into one of $N$ distinct priority classes. Moreover, to determine the order of service, each customer (upon arriving to the system) is ... -
On a general mixed priority queue with server discretion
Fajardo, Val Andrei; Drekic, Steve (Taylor & Francis, 2016-10-01)We consider a single-server queueing system which attends to N priority classes that are classified into two distinct types: (i) urgent: classes which have preemptive resume priority over at least one lower priority class, ... -
Waiting Time Distributions in the Preemptive Accumulating Priority Queue
Fajardo, Val Andrei; Drekic, Steve (Springer, 2017-03-01)We consider a queueing system in which a single server attends to N priority classes of customers. Upon arrival to the system, a customer begins to accumulate priority linearly at a rate which is distinct to the class to ...