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Network coding has been proven with the capability to improve the network bandwidth efficiency for multicast communications. Streaming based IPTV services provided by network operators match the paradigm of using network coding. However, the major research works in the literature focus on the selection of network codes under given routing paths. Few research work jointly considers routing and network...
We present a novel, practical, and effective mechanism that exposes the identity of Tor relays participating in a given circuit. Such an attack can be used by malicious or compromised nodes to identify the rest of the circuit, or as the first step in a follow-on trace-back attack. Our intuition is that by modulating the bandwidth of an anonymous connection (e.g. when the destination server, its router,...
Detection of distributed denial of service (DDoS) attacks over the Internet is crucial for many Internet applications, such as electronic commerce, network games, P2P, etc. Based on anomaly detection information, network route selection, quality of service (QoS) provision, and traffic engineering can be performed to bypass the abnormal areas or to immigrate the attack traffic. To detect the DDoS attacks...
More and more, multimedia services are being accessed via fixed and mobile networks. These services are typically much more sensitive to packet loss, delay and/or congestion than traditional services. In particular, multimedia data is often time critical and, as a result, network issues are not well tolerated and significantly deteriorate the userpsilas quality of experience (QoE). We therefore propose...
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