SDN中基于負(fù)載均衡的流表下發(fā)方法
發(fā)布時(shí)間:2018-08-05 11:54
【摘要】:通過比對(duì)單個(gè)域內(nèi)控制信道與數(shù)據(jù)信道比例,將所須安裝流表項(xiàng)數(shù)據(jù)以源路由下發(fā)和直接下發(fā)兩種方式動(dòng)態(tài)混合處理,以此來減小控制器負(fù)載以及動(dòng)態(tài)調(diào)節(jié)控制平面和數(shù)據(jù)平面負(fù)載均衡度,同時(shí)減小流表下發(fā)和端到端傳輸?shù)臅r(shí)延以及控制邏輯出現(xiàn)不一致的概率.仿真顯示:所提方法在控制器負(fù)載消耗量、流表安裝時(shí)延和數(shù)據(jù)包平均傳輸時(shí)延等方面優(yōu)于傳統(tǒng)的流表直接下發(fā)方法以及基于源路由的流表下發(fā)方法.
[Abstract]:By comparing the ratio of the control channel to the data channel in a single domain, the data of the stream table item to be installed is dynamically mixed with the source route sending down and direct sending. In order to reduce the load of controller and dynamically adjust the load balance of control plane and data plane, the delay of stream table transmission and end-to-end transmission and the probability of inconsistency of control logic are also reduced. The simulation results show that the proposed method is superior to the traditional direct down-sending method and the source-based routing method in terms of controller load consumption, flow table installation delay and average packet transmission delay.
【作者單位】: 武漢大學(xué)計(jì)算機(jī)學(xué)院;武漢大學(xué)地球空間信息技術(shù)協(xié)同創(chuàng)新中心;
【分類號(hào)】:TP393
本文編號(hào):2165721
[Abstract]:By comparing the ratio of the control channel to the data channel in a single domain, the data of the stream table item to be installed is dynamically mixed with the source route sending down and direct sending. In order to reduce the load of controller and dynamically adjust the load balance of control plane and data plane, the delay of stream table transmission and end-to-end transmission and the probability of inconsistency of control logic are also reduced. The simulation results show that the proposed method is superior to the traditional direct down-sending method and the source-based routing method in terms of controller load consumption, flow table installation delay and average packet transmission delay.
【作者單位】: 武漢大學(xué)計(jì)算機(jī)學(xué)院;武漢大學(xué)地球空間信息技術(shù)協(xié)同創(chuàng)新中心;
【分類號(hào)】:TP393
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