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In this paper, we consider a scenario where nodes in a MANET disseminate data chunks using rateless codes. Any node is able to successfully decode any chunk by collecting enough coded blocks from several other nodes without any coordination. We consider the problem of identifying malicious nodes that launch a pollution attack by deliberately modifying the payload of coded blocks before transmitting...
Content-Centric Networking (CCN) is a promising data-centric architecture, based on in-network caching, name-driven routing, and receiver-initiated sessions, which can greatly enhance the way Internet resources are currently used, making support for a broader set of users with increasing traffic demands possible. The CCN vision is, currently, attracting the attention of many researchers across the...
In this paper we consider the following problem: nodes in a MANET must disseminate data chunks using rateless codes but some nodes are assumed to be malicious, i.e., before transmitting a coded packet they may modify its payload. Nodes receiving corrupted coded packets are prevented from correctly decoding the original chunk. We propose SIEVE, a fully distributed technique to identify malicious nodes...
Interconnection of multiple P2P networks has recently emerged as a viable solution to increase system reliability and fault-tolerance as well as to increase resource availability. In this paper we consider interconnection of large scale unstructured P2P networks by means of special nodes (called synapses) that are co-located in more than one overlay. Synapses act as trait d'union by sending/forwarding...
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