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One of the prominent problems of the Delay Tolerant Networks (DTNs) is the high delay occurring in the message delivery. As there is absence of complete path from source to destination in the network, these networks are often susceptible to high delays. In DTNs, one of the primary objective is to establish end-to-end communication path between the nodes in the heterogeneous environment e Factors such...
Delay Tolerant Network (DTN) is widely applied to the situation that difficult to deploy infrastructure. It has the characteristics of nodes distributed sparsely, connect unstably, large delay and high bit error rate. These characteristics of DTN, lead to the data efficient transmission encountered a certain challenge. Network coding is proposed to improve network throughput, balance network load...
Delay (or disruption) tolerant networks (DTNs) have widely studied as promising technology for providing communications in environments where all nodes are not connected with each other. Assuming the existence of adversary nodes, in this study we evaluate effectiveness of erasure-code-based DTN routing in terms of secure transmission. We combine secret-sharing-based multi-path routing with several...
IP traceback is a solution for attributing cyber attacks, and it is also useful for accounting user traffic and network diagnosis. Marking-based traceback (MBT) has been considered a promising traceback approach, and has received considerable attention. However, we find that the traceback message delivery problem in MBT, which is important to the successful completion of a traceback, has not been...
In vehicular ad hoc networks (VANETs), designing an efficient routing protocol is particularly challenging due to the vehicle movement and lossy wireless channel. A packet can be lost at a forwarder node even when a proper node is selected as the forwarder. In this paper, we propose a loss-tolerant scheme for unicast routing protocols in VANETs. The proposed scheme uses multiple forwarder nodes to...
Internet Relay Chat (IRC) is a critical application in military networks for maintaining situational awareness and conducting battle management at all echelons. But these networks are often subject to frequent disconnections, limited bandwidth, and long delays, especially when using satellite services and field radios. Such conditions are inhospitable to TCP, and thus the standard IRC protocol, which...
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