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In P2P systems, especially in mobile environment, participating nodes may connect to or disconnect from the system frequently. This user-driven dynamic membership problem, called churn, may significantly reduce the routing robustness of a structured P2P system because of its fully-decentralized routing information. Most existing structured P2P systems use constant periodic maintenance approaches with...
In mobile ad hoc network (MANET), mobile nodes should use the other nodes and trust them for transmitting data. Due to lack of central control, an intermediate node may drop the data packets because of being selfish or malicious. In this paper, the problem of routing misbehavior is addressed. The new acknowledgement-based scheme, called NEWACK, is introduced based on the DSR protocol. Special method...
Delay Tolerant Networks (DTNs) often have a highly dynamic network topology. Even if we could accurately predict the movement of all nodes in the network, it is still difficult to find a routing algorithm for maximizing the network performance of a DTN. This is due to the unavailability of load information across the network. In this paper we consider the problem of balanced routing in DTNs in order...
Network coding in space elicits a new research direction lying at the intersection of information theory, networking and geometry. And it's meaningful to unearth the potential superiority of network coding in space. In this paper, the constructions of network coding in space and routing in space are implemented for irregular polygons with a concave node, which haven't been covered in literatures yet...
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