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Unlike IntServ where resource reservation and admission control is per-flow based using RSVP, DiffServ supports aggregated traffic classes to provide various QoS to different classes of traffics. However, it is possible to lead to serious QoS violations without a QoS management support. Therefore, a QoS management system that can manage differentiated QoS provisioning is required. This paper proposes...
Over the years, quality of service (QoS) has attracted attention from researchers. How to guarantee QoS to customers despite the rapid change of the network status is the main concern. Pricing provides an effective economic means of congestion control and revenue generation. We examine pricing as an effective strategy for revenue management in DiffServ networks. In this paper, we propose an auction...
There is a growing need to support quality-of-service (QoS) in mobile ad hoc networks. Supporting differentiated services (DiffServ) in mobile ad hoc networks, however, is very difficult because of the dynamic nature of mobile ad hoc networks, which causes network congestion. We propose DiffServ module to support differentiated service in mobile ad hoc networks through congestion control. Our DiffServ...
QoS-enabled networks consist of major functions: one is a TCP congestion control (TCC) mechanism at a source/sink node and the other is an active queue management (AQM) scheme at an intermediate node. In this paper, we introduce the major TCC mechanisms and AQM schemes, and provide analytical models and simulation-based comparisons of these TCC/AQM schemes for the purpose of identifying the reciprocal...
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