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In this paper, based on analyzing the two existing queue scheduling algorithms WRR and DWRR, an improved scheduling algorithm, called DWRR+, is presented, which is the resolution for the fairness of bandwidth allocation of the WRR algorithm. The ns-2 simulations show that the improved scheduling algorithm not only offers the service of the minimum guaranteed bandwidth but also implements the fair...
Providing quality of service in the Internet is a complex and multilevel problem involving heterogeneous media, protocols and technologies. The ability to differentiate traffic will allow introducing QoS oriented business relationships and pricing models, supported by the establishment of service level agreements (SLAs.) Recent developments within the research community and within commercial products...
Previously, QoS queueing schedule algorithms for Web servers and QoS Web caching were studied individually. In this paper, we examine the combination of both algorithms aimed at an optimal QoS solution for both clients and the server. By integrating one of the three schedule rules: best effort, DiffServ (differentiated services) and WSPT (weighted shortest processing time), with one of the two caching...
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