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The desire to preserve privacy in cyberspace drives research in the area of anonymous networks. Any entity operating in cyberspace is susceptible to debilitating cyber attacks. As part of the National Strategy to Secure Cyberspace, the United States acknowledges that the speed and anonymity of cyber attacks makes distinguishing among the actions of terrorists, criminals, and nation states difficult...
The Transmission Control Protocol (TCP) is used by the vast majority of Internet applications. Since its introduction in the 70s, a lot of variants have been proposed to cope with the different network conditions we can have (e.g., wired networks, wireless networks, satellite links) and nowadays Linux OS includes 12 different TCP variants. The aim of this paper is to offer a complete comparative analysis...
A common approach to reduce energy consumption in communication networks is to allow network elements to switch to sleep mode. While this technique has been widely utilized in wireless networks, recent studies have proposed to exploit sleep mode in wired networks to conserve energy as well. This paper focuses on some feasible implementations of sleep mode in passive optical networks (PONs). In particular,...
Quantum key distribution (QKD) has been proposed for decades. Many applications have been deployed recently for both wired and wireless networks. Especially for optical networks, QKD technique has a great development. But in free-space quantum key distribution still has a lot of problems such as a low bit rate. In this paper we propose a new scheme, combining MIMO (Multiple input multiple output)...
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