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首页> 外文期刊>International Journal of Computer Trends and Technology >Client Puzzle Approach for Improving Confidentiality
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Client Puzzle Approach for Improving Confidentiality

机译：客户难题方法，以提高机密性

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In present scenario, security of data or information is main concerned. Different defense strategies are developed to avoid DoS-Denial of Service attack, but they don't provide optimal solution against DoS attack. Preventive mechanisms against flooding attacks can be effectively studied through game theory. This is mainly owing to the several trade-offs existing in a flooding attack defense scenario. For an attacker, there is a trade-off between the severity of his attack and the amount of resources he uses to do so; the more damage an attacker intends to cause, the more amounts of resources he should spend. For a defender, on the other hand, there is a trade-off between the effectiveness of his defense and the quality of service he provides for legitimate users; the more difficult it becomes to exhaust the defender's resources, the more workload, and hence,less quality of service is imposed on legitimate users. To improve the quality of service for legitimate user and also to improve confidentiality, puzzle based defense technique is used. With the help of puzzle based system we can avoid DoS attack
机译：在当前情况下，主要关注数据或信息的安全性。为了避免DoS拒绝服务攻击，已经开发了不同的防御策略，但是它们并未提供针对DoS攻击的最佳解决方案。可以通过博弈论有效研究防洪攻击的预防机制。这主要是由于洪泛攻击防御方案中存在一些折衷。对于攻击者而言，在攻击的严重程度和用于攻击的资源之间必须权衡取舍。攻击者打算造成的损害越大，他应该花费的资源就越多。另一方面，对于辩护人而言，在辩护的效力与他为合法用户提供的服务质量之间需要权衡;耗尽防御者的资源越困难，工作量就越大，因此，对合法用户的服务质量就会越差。为了提高合法用户的服务质量并提高机密性，使用了基于拼图的防御技术。借助基于拼图的系统，我们可以避免DoS攻击

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