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首页> 外文期刊>IEEE transactions on dependable and secure computing >Secure Inter-Domain Forwarding Loop Test in Software Defined Networks
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Secure Inter-Domain Forwarding Loop Test in Software Defined Networks

机译：在软件定义的网络中安全地域间转发循环测试

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摘要

Debugging a traditional network is notoriously difficult due to network devices & x2019; heterogeneity and protocols & x2019; decentralized nature, but Software-Defined Networking (SDN) is changing this predicament. Recent works have provided very nice approaches for an administrator to perform several fundamental network tests in a single-domain SDN network. However, how to perform these tests securely in multi-domain networks still remains open. In this paper, we study the highly challenging problem of inter-domain forwarding loop test in a SDN environment. We present two novel testing protocols that can be used for inter-domain loop tests. Both protocols are secure in the sense that they protect each domain & x0027;s private information about its topology and configuration. The first protocol, based on random sampling, is highly efficient with a small error probability diminishing exponentially in the sample size. The second protocol, based on secure set intersection test, guarantees 100 percent accuracy of the result, although not as efficient as the first one. We provide rigorous proofs for the security and accuracy guarantees, and show our protocols have very good efficiency by testing them with real-world network data.
机译：由于网络设备和X2019，调试传统网络难以困难;异质性和协议＆x2019;分散性质，但是软件定义的网络（SDN）正在改变这个困境。最近的作品为管理员提供了非常好的方法，以便在单域SDN网络中执行若干基本网络测试。但是，如何安全地在多域网络中执行这些测试仍然保持开放。在本文中，我们研究了SDN环境中域间转发循环测试的高度挑战性问题。我们提出了两种新型测试协议，可用于域间回路测试。这两个协议都是安全的，即它们保护每个域和X0027;私人信息有关其拓扑和配置的私人信息。基于随机采样的第一协议高效，在样本大小中呈指数呈指数递减的小误差概率高。第二种协议基于安全设置交叉测试，保证了100％的结果的准确性，尽管不如第一个一样高效。我们为安全性和准确性保证提供严格的证据，并显示通过使用真实网络数据测试它们的协议具有非常好的效率。

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