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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 3 of 3 (0.025 seconds)Spelling suggestions: "subject:"openswan"" "subject:"dapengwan""
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Performance Evaluation of IPsec on Embedded SystemsHsu, Chun-chiao 22 August 2006 (has links)
In recent years, more and more embedded devices are connected to the Internet. Users of embedded devices could obtain necessary services or updates from the World Wide Web. The benefits of having embedded devices connected to the Internet are tremendous; however, the requirement of secure transmission may slow down the performance of the embedded device. For example, if users download files to their own embedded devices from the Internet, the packets must be encrypted/authenticated for secure transmission, and the cost to pay is to slow down the performance of the system. Thus, it is necessary to find ways that can provide a secure connection while at the same time not slowing down the performance of the system.
IPsec (Internet Protocol Security) is a standard for securing Internet Protocol (IP) communications by encrypting and/or authenticating all IP packets. Although IPsec is optional for IPv4, it is required for IPv6. However, IPsec is not wildly used on embedded systems compared to SSL/TLS.
In this thesis, we describe the details of how we port IPsec to a platform running embedded Linux which does not support IPsec. Openswan is an open source implementation of IPsec for the Linux operating system. We use Openswan to set up a Virtual Private Network (VPN) tunnel between a PC and the embedded system platform and use various
encryption/authentication algorithms and services provided by IPsec to do a performance analysis.
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Vilken mjukvarubaserad fjärranslutningslösning är passande för ett mindre företag?Hurtig, Andreas, Gisslar, Thomas, Karlsson, Alexander January 2009 (has links)
<p> </p><p>Syftet med denna undersökning är att ta reda på vilken mjukvarubaserad fjärranslutningslösning som passar för ett mindre företag, då de har mindre ekonomiska tillgångar än ett större företag behöver de vara mer noggranna med sina produktval. Arbetet är utfört med litteraturstudier och en enkätundersökning till ett tiotal mindre företag, samt en laborationsmiljö där tester av de olika fjärranslutningslösningarnas egenskaper har utförts.</p><p>Område valdes då ämnet fjärranslutning knappt behandlads under utbildningstiden, och fördjupar sig därför inom området.</p><p>Resultatet visar vad mindre företag anser vara de viktigaste egenskaperna med en fjärranslutningslösning. Även de värden som uppkom vid tester i laborationsmiljön kommer att presenteras i resultatet. De samlade resultaten kommer sedan visa på vilken mjukvarubaserad lösning som passar bäst för ett mindre företag.</p><p> </p> / <p><p>The purpose of this survey is to figure out which software based remote access solution that fits a smaller company, hence they have less economy assets than a larger company they need to be more thorough with their products of choice. The work is performed with literature studies and a survey of a dozen smaller companies, and also a laboratory environment where properties of the different remote access solutions are performed.</p><p>This area was chosen because the subject of remote access scarcely was treated during our education, and become engrossed in this area.</p><p>The result shows what the companies consider to be the most important properties with a remote access and also the products results from the tests. Also the values that occurred during testing in a laboratory environment will be presented in the results. The combined results will then show which software-based solution that is best suited for a small company.</p></p>
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Vilken mjukvarubaserad fjärranslutningslösning är passande för ett mindre företag?Hurtig, Andreas, Gisslar, Thomas, Karlsson, Alexander January 2009 (has links)
Syftet med denna undersökning är att ta reda på vilken mjukvarubaserad fjärranslutningslösning som passar för ett mindre företag, då de har mindre ekonomiska tillgångar än ett större företag behöver de vara mer noggranna med sina produktval. Arbetet är utfört med litteraturstudier och en enkätundersökning till ett tiotal mindre företag, samt en laborationsmiljö där tester av de olika fjärranslutningslösningarnas egenskaper har utförts. Område valdes då ämnet fjärranslutning knappt behandlads under utbildningstiden, och fördjupar sig därför inom området. Resultatet visar vad mindre företag anser vara de viktigaste egenskaperna med en fjärranslutningslösning. Även de värden som uppkom vid tester i laborationsmiljön kommer att presenteras i resultatet. De samlade resultaten kommer sedan visa på vilken mjukvarubaserad lösning som passar bäst för ett mindre företag. / The purpose of this survey is to figure out which software based remote access solution that fits a smaller company, hence they have less economy assets than a larger company they need to be more thorough with their products of choice. The work is performed with literature studies and a survey of a dozen smaller companies, and also a laboratory environment where properties of the different remote access solutions are performed. This area was chosen because the subject of remote access scarcely was treated during our education, and become engrossed in this area. The result shows what the companies consider to be the most important properties with a remote access and also the products results from the tests. Also the values that occurred during testing in a laboratory environment will be presented in the results. The combined results will then show which software-based solution that is best suited for a small company.
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