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Delay Tolerant Networks (DTNs) are characterized by intermittent connectivity, high delay and without end-to-end path from the source to the destination. The fundamental way of message routing in DTNs is store-and-forward. Thus, the mal-behaving nodes in the networks, which are uncooperative to relay messages, will significantly undermine the routing performance. In this paper, we propose a novel...
In order to solve the scalability problem of QoS routing in large networks, hierarchical networks and hierarchical routing are proposed. There are tow key issues in hierarchical multicast routing (HMR): one is topology aggregation (TA), and the other is multicast tree state aggregation (MTSA). And the latter is discussed deeply in this paper. The main contributions of this paper include: multicast...
With the fast development of wireless networks and wireless devices, the designing of effective routing algorithms considering intermittent connectivity and without end-to-end path is desirable. In this paper, we present a probabilistic delay routing (PDR) scheme that takes transmission delay, historical information of connection and prediction of future information of connection into consideration...
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