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2009•Transactions of Shenyang Ligong UniversityRequires access

The Study and Implementation of the Queue Scheduling Policy in DiffServ Networks

Jin Hai-yue

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Abstract

In this paper,we are going to analyze the architecture of DiffServ model,research into its various control policies of implementing IP QoS,improve scheduling policies for DWRR scheduling algorithm,and design implementation scheme of queue scheduling PHB based on the analysis of queue scheduling algorithm of DiffServ.The average bandwidth of each stream is calculated through the test on the simulated platform NS2,and the comparison analysis on the simulation results indicate that simulation successfully implemented a DiffServ for the traffic which contains various QoS requests,which means that queue scheduling satisfies the performance requirements of PHB in a DiffServ network.

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What this paper is about

In this paper,we are going to analyze the architecture of DiffServ model,research into its various control policies of implementing IP QoS,improve scheduling policies for DWRR scheduling algorithm,and design implementation scheme of queue scheduling PHB based on the analysis of queue scheduling algorithm of DiffServ.The average bandwidth of each stream is calculated through the test on the simulated platform NS2,and the comparison analysis on the simulation results indicate that simulation successfully implemented a DiffServ for the traffic which contains various QoS requests,which means that queue scheduling satisfies the performance requirements of PHB in a DiffServ network.

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Available abstract

In this paper,we are going to analyze the architecture of DiffServ model,research into its various control policies of implementing IP QoS,improve scheduling policies for DWRR scheduling algorithm,and design implementation scheme of queue scheduling PHB based on the analysis of queue scheduling algorithm of DiffServ.The average bandwidth of each stream is calculated through the test on the simulated platform NS2,and the comparison analysis on the simulation results indicate that simulation successfully implemented a DiffServ for the traffic which contains various QoS requests,which means that queue scheduling satisfies the performance requirements of PHB in a DiffServ network.

Key concepts: Computer science, Queue, Scheduling (production processes), Quality of service, Computer network, Distributed computing, Queueing theory, Engineering

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