This paper compares two mechanisms designed to reveal reservation prices: the Vickrey auction and a variant of the BDM procedure where the reference price is drawn from a distribution which limits are not made known to the participants. These two mechanisms perform equally well in revealing the effect of information on the reservation price for five brut non-vintage Champagnes. Participants are...

In a market-oriented service computing environment, both back-end SLA (service level agreement) offers and front-end SLA requirements should be considered when performing service composition. In this paper, we address the optimization problem of SLA-constrained service composition and focus on the following issues: the difficulties related to preference definition and to weight assignment, the ...

 In this paper, we propose an Adaptive Time-based Channel Reservation mechanism (ATCR) suitable for handover and call admission procedure control in future multi-services mobile satellite systems. These systems are characterized by a high rate of handover. While guaranteeing a null handover failure probability, by using a channel reservation strategy in the cells to be crossed by the user, ATC...

A number of user mobility prediction algorithms have been reported in the literature. These may be used for resource reservation and service pre-configuration/ adaptation in future wireless networks to provide QoS guarantees. However, our analysis of some of these techniques using measured cellular performance shows that these models do not accurately represent the mobility patterns of users. A...

We consider a time-slotted queueing model where each time slot can either be an arrival slot, in which new packets arrive, or a departure slot, in which packets are transmitted and hence depart from the queue. The slot scheduling strategy we consider describes periodically, and for a fixed number of time slots, which slots are arrival and departure slots. We consider a static and a dynamic stra...