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Detecting the presence of extrinsic nodes in a virtual network using a message induced graph.

機(jī)譯：使用消息誘導(dǎo)圖檢測虛擬網(wǎng)絡(luò)中外部節(jié)點(diǎn)的存在。

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摘要

Modern society requires ubiquitous, secure, and reliable network communications. Connecting geographically distributed sites by layer two virtual private networks is a widely deployed, cost effective, and reliable technology. The key feature of L2 VPNs is confidentiality. Network users can easily observe that the only network nodes in the L2 virtual network are those desired by the network owner. However, L2 VPNs are being rapidly replaced by layer three virtual networks as common carriers expand the roles of their shared IP networks. The recent increase of interest in L3 virtual networks has led to renewed interest and new debate concerning their confidentiality.;A significant disadvantage of operating virtual networks over shared IP networks is that the configuration and operation of the virtual network is moved into the common carrier's network exclusively. All of the routing, forwarding, and management is done by the service provider and the network user has no visibility into the configuration and management of the virtual network. The retirement of legacy L2 virtual networks, the widespread availability of common carrier TCP/IP networks, and the migration to L3 virtual network technologies has resulted in the inability to determine if undesirable nodes are connected to a virtual network.;In this research we propose Message Induced Network Appraisal , a novel algorithm for detecting the presence of extrinsic nodes in L3 virtual networks. Network nodes that are undesirable are denoted as extrinsic. MINA is inspired by Kleinberg's HITS algorithm for ranking search results of web pages. The generalization of a HITS derived algorithm to detecting the presence of extrinsic nodes in virtual networks is novel.;Our MINA algorithm constructs the communication graph induced by message exchange, scores the participating nodes to identify key nodes, and detects the presence of extrinsic nodes. Using the MINA algorithm, network users are presented with a useful indicator about the confidentiality of their L3 virtual network. In this dissertation we describe MINA and demonstrate that our proposed method is capable of detecting the presence of extrinsic nodes in L3 virtual networks.
機(jī)譯：現(xiàn)代社會要求無處不在，安全和可靠的網(wǎng)絡(luò)通信。通過第二層虛擬專用網(wǎng)絡(luò)連接地理分布的站點(diǎn)是一項(xiàng)廣泛部署，經(jīng)濟(jì)高效且可靠的技術(shù)。 L2 VPN的關(guān)鍵功能是機(jī)密性。網(wǎng)絡(luò)用戶可以輕松地觀察到L2虛擬網(wǎng)絡(luò)中僅有的網(wǎng)絡(luò)節(jié)點(diǎn)是網(wǎng)絡(luò)所有者所需的那些節(jié)點(diǎn)。但是，隨著公共運(yùn)營商擴(kuò)展其共享IP網(wǎng)絡(luò)的角色，L2 VPN正在迅速被三層虛擬網(wǎng)絡(luò)取代。最近對L3虛擬網(wǎng)絡(luò)的興趣不斷增長，引起了人們對其保密性的新興趣和新爭論。通過共享IP網(wǎng)絡(luò)運(yùn)行虛擬網(wǎng)絡(luò)的一個(gè)顯著缺點(diǎn)是虛擬網(wǎng)絡(luò)的配置和操作已移至公共運(yùn)營商的網(wǎng)絡(luò)中只。所有路由，轉(zhuǎn)發(fā)和管理都是由服務(wù)提供商完成的，網(wǎng)絡(luò)用戶無法看到虛擬網(wǎng)絡(luò)的配置和管理。遺留的L2虛擬網(wǎng)絡(luò)的淘汰，公共運(yùn)營商TCP / IP網(wǎng)絡(luò)的廣泛可用性以及向L3虛擬網(wǎng)絡(luò)技術(shù)的遷移導(dǎo)致無法確定是否將不希望的節(jié)點(diǎn)連接到虛擬網(wǎng)絡(luò)。消息誘導(dǎo)的網(wǎng)絡(luò)評估，一種新穎的算法，用于檢測L3虛擬網(wǎng)絡(luò)中外部節(jié)點(diǎn)的存在。不希望有的網(wǎng)絡(luò)節(jié)點(diǎn)稱為外部節(jié)點(diǎn)。 MINA受Kleinberg HITS算法的啟發(fā)，該算法可對網(wǎng)頁的搜索結(jié)果進(jìn)行排名。 HITS派生算法在虛擬網(wǎng)絡(luò)中檢測外部節(jié)點(diǎn)的存在是新穎的。我們的MINA算法構(gòu)造了由消息交換引起的通信圖，對參與節(jié)點(diǎn)進(jìn)行評分以識別關(guān)鍵節(jié)點(diǎn)，并檢測外部節(jié)點(diǎn)的存在。使用MINA算法，可以為網(wǎng)絡(luò)用戶提供有關(guān)其L3虛擬網(wǎng)絡(luò)的機(jī)密性的有用指示。在本文中，我們描述了MINA，并證明了我們提出的方法能夠檢測L3虛擬網(wǎng)絡(luò)中外部節(jié)點(diǎn)的存在。

著錄項(xiàng)

  • 作者

    Jerkins, James A.;

  • 作者單位

    The University of Alabama in Huntsville.;

  • 授予單位 The University of Alabama in Huntsville.;
  • 學(xué)科 Computer Science.
  • 學(xué)位 Ph.D.
  • 年度 2012
  • 頁碼 172 p.
  • 總頁數(shù) 172
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類 TS97-4;
  • 關(guān)鍵詞

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