發(fā)布時(shí)間：2018-01-31 03:40

  本文關(guān)鍵詞： Ad Hoc網(wǎng)絡(luò) 隨機(jī)博弈網(wǎng) 連續(xù)時(shí)間馬爾科夫鏈 安全評(píng)價(jià)與分析方法　出處：《東華大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著Ad Hoc網(wǎng)絡(luò)的發(fā)展,其安全問(wèn)題受到了人們的廣泛關(guān)注。近年來(lái),國(guó)內(nèi)外學(xué)者對(duì)Ad Hoc網(wǎng)絡(luò)的安全策略進(jìn)行了大量的研究,而在Ad Hoc網(wǎng)絡(luò)的安全評(píng)價(jià)與分析方面的研究卻寥寥無(wú)幾。建立一種行之有效的Ad Hoc網(wǎng)絡(luò)安全評(píng)價(jià)與分析方法可以為Ad Hoc網(wǎng)絡(luò)安全策略的設(shè)計(jì)提供方向。 本文提出了一種基于隨機(jī)博弈網(wǎng)的Ad Hoc網(wǎng)絡(luò)安全評(píng)價(jià)與分析方法。該方法通過(guò)構(gòu)建Ad Hoc網(wǎng)絡(luò)的攻防隨機(jī)博弈網(wǎng)模型并計(jì)算得到納什均衡策略,然后將模型轉(zhuǎn)化為一個(gè)同構(gòu)的連續(xù)時(shí)間馬爾科夫鏈(CTMC),通過(guò)計(jì)算CTMC的穩(wěn)態(tài)概率就可以對(duì)Ad Hoc網(wǎng)絡(luò)的安全進(jìn)行評(píng)價(jià)與分析。最后本文通過(guò)matlab對(duì)各項(xiàng)安全指標(biāo)進(jìn)行了數(shù)據(jù)仿真,實(shí)驗(yàn)結(jié)果表明：攻擊成功概率與攻擊響應(yīng)時(shí)間只與Ad Hoc攻擊行為的期望收益與攻擊強(qiáng)度有關(guān)而與攻擊速率無(wú)關(guān)；Ad Hoc網(wǎng)絡(luò)系統(tǒng)的可靠性與Ad Hoc攻擊行為的期望回報(bào)、攻擊強(qiáng)度和攻擊速率都有關(guān)。
[Abstract]:With the development of Ad Hoc network, people pay more and more attention to the security problem of Ad Hoc network. In recent years, scholars at home and abroad have done a lot of research on the security strategy of Ad Hoc network. However, there are few researches on the security evaluation and analysis of Ad Hoc network. The establishment of an effective method for Ad Hoc network security evaluation and analysis can be used as an effective method for Ad Hoc network security evaluation and analysis. The Hoc network security policy design provides the direction. In this paper, a method of security evaluation and analysis for Ad Hoc networks based on stochastic game nets is proposed. The method is based on the construction of Ad Hoc networks. The attack and defense stochastic game net model of Hoc network and the Nash equilibrium strategy are calculated. Then the model is transformed into an isomorphic continuous time Markov chain (CTMC). By calculating the steady-state probability of CTMC, the security of Ad Hoc network can be evaluated and analyzed. Finally, the data simulation of each security index is carried out by matlab. The experimental results show that the attack success probability and the attack response time are only related to the expected return of Ad Hoc attack behavior and the attack intensity, but not to the attack rate. The reliability of Ad Hoc network system is related to the expected return of Ad Hoc attack behavior, attack intensity and attack rate.
【學(xué)位授予單位】：東華大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN929.5

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本文編號(hào)：1478090