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In disruption tolerant networks, aggressive packet forwarding scheme like flooding has a major drawback in terms of network congestion. In this paper, we proposed a new routing algorithm, called adaptive randomized epidemic routing (ARER). ARER dynamically adjusts the forwarding probability for each message according to a new metric, replications density. Meanwhile, ARER arranges the forwarding sequence...
High mobility of vehicular node which is one important feature of VANET makes high dynamics of topological structure for vehicular network, leads to frequently disconnection of multi-hop route in ad hoc network, and brings big challenges to reliability of routing algorithm and quality of data transmission. Thus we propose a position-based routing algorithm for VANET called on demand geographic routing...
Delay tolerant networks (DTNs) use a store-carry-forward communication model relying on the mobility of nodes because a persistent end-to-end path from source to destination generally does not exist. Being different from ad hoc, recent research in DTN is still in its infancy which mainly uses analytical model and simulation to analyze network protocols. As we all know, testbed is an important research...
Epidemic routing is an original and effective multicopy routing algorithm in disruption tolerant networks. However, its performance degrades significantly when network resources are limited. In this paper, we proposed a new routing scheme, called directional forward epidemic routing (DFER). DFER caches the position information of neighbors, calculates the directional vectors and angles among these...
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