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Haqiq, Abdelkrim; Lambadaris, I.; Mikou, N.; Orozco-Barbosa, L.
Optimal QoS control of interacting service stations. RAIRO - Operations Research - Recherche Opérationnelle, 36 no. 3 (2002), p. 191-208
Texte intégral djvu | pdf | Analyses Zbl 1062.90017
Mots clés: queues, flow control, dynamic programming, policies, IP network

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We consider a system of three queues and two types of packets. Each packet arriving at this system finds in front of it a controller who either sends it in the first queue or rejects it according to a QoS criterion. When the packet finishes its service in the first queue, it is probabilistically routed to one of two other parallel queues. The objective is to minimize a QoS discounted cost over an infinite horizon. The cost function is composed of a waiting cost per packet in each queue and a rejection cost in the first queue. Subsequently, we generalize this problem by considering a system of $(m+1)$ queues and $n$ types of packets. We show that an optimal policy is monotonic.


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