PriQoS：基于SDN的区分优先权流控机制

doi:10.11959/j.issn.1000-436x.2017034

Abstract

Abstract:

It was difficult to meet the increasing demand of quality of service (QoS) for the best-effort IP network,so it was urgent to develop a kind of QoS control mechanism that was compatible with the existing IP software and hardware resources.Therefore,a priority-differentiated control mechanism based on the software defined networking called PriQoS was proposed.When the network resource was scarce,a multi-queue bandwidth allocation algorithm based on the inte-grated priority of service flow was used to meet the bandwidth requirement with high priority flows.PriQoS was deployed on the network edge,which was no need to modify applications in the end systems and routers in the core network.The mechanism has advantages such as easy to deploy and being compatible with the IP applications and devices.Experimental results show that the PriQoS mechanism can guarantee the QoS of higher priority services.

Key words: SDN, flow control, integrated priority, QoS, AHP

CLC Number:

TP393

Zhi SUN,Ming CHEN. PriQoS:priority-differentiated flow control mechanism based on SDN[J]. Journal on Communications, 2017, 38(2): 115-124.

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PriQoS:priority-differentiated flow control mechanism based on SDN

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