【摘要】：針對(duì)內(nèi)容中心網(wǎng)絡(luò)的緩存污染攻擊問題,提出一種基于接口異常度可信判斷的限速機(jī)制,根據(jù)接口異常度檢測(cè)緩存污染攻擊類型,并結(jié)合接口命中率對(duì)異常接口進(jìn)行限速控制.仿真結(jié)果表明,該機(jī)制可以同時(shí)防御緩存惡意侵占(Locality-Disruption)和虛假內(nèi)容緩存(False-Locality)2種攻擊,且通過引入False-Locality攻擊的可信度判斷,可大概率區(qū)分異常的False-Locality攻擊和正常的突發(fā)擁塞事件,避免錯(cuò)誤抑制Flash Crowd網(wǎng)絡(luò)行為.
[Abstract]:In order to solve the problem of cache pollution attack in content-centric network, a speed limiting mechanism based on credible judgment of interface anomaly degree is proposed, which detects cache contamination attack type according to interface anomaly degree, and controls the speed limit of abnormal interface based on interface hit ratio. The simulation results show that the mechanism can protect against both Locality-Disruption and False-Locality attacks, and by introducing the credibility of False-Locality attacks, it is possible to distinguish abnormal False-Locality attacks from normal burst congestion events. Avoid error suppression of Flash Crowd network behavior.
【作者單位】： 江蘇大學(xué)計(jì)算機(jī)科學(xué)與通信工程學(xué)院;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(41474095)
【分類號(hào)】：TP393.08

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