Abstract—In this paper, we present a framework for analyzing routing performance in delay tolerant networks (DTNs). Differently from previous work, our framework is aimed at characterizing the exact distribution of relevant performance metrics, which is a substantial improvement over existing studies characterizing either the expected value of the metric, or an asymptotic approximation of the actual distribution. In particular, the considered performance metrics are packet delivery delay, and communication cost, expressed as number of copies ....etc

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Abstract
Delay tolerant networks are characterized by thesporadic connectivity between their nodes and therefore the lackof stable end-to-end paths from source to destination. Since thefuture node connections are mostly unknown in these networks,opportunistic forwarding is used to deliver messages. However,making effective forwarding decisions using only the networkcharacteristics (i.e. average intermeeting time between nodes)extracted from contact history is a challenging problem. Basedon the observations about human mobility traces a ....etc

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conditional shortest path routing in delay tolerant networks power point presentation (ppt) ....etc

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CAR: Context-Aware Adaptive Routing for Delay-Tolerant Mobile Networks
Musolesi, M. Mascolo, C. Dept. of Comput. Sci., Dartmouth Coll., Hanover, NH;
This paper appears in: Mobile Computing, IEEE Transactions on Publication

Abstract

Most of the existing research work in mobile ad hoc networking is based on the assumption that a path exists between the sender and the receiver. On the other hand, applications of decentralised mobile systems are often characterised by network partitions. As a consequence delay tolerant networking ....etc

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Consider a scientist who is responsible for the operation of robotic meteorological station located on the planet Mars (Fig. 1). The weather station is one of several dozen instrument platforms that communicate among themselves via a wireless local area network deployed on the Martian surface. The scientist wants to upgrade the software in the weather station?s data management computer by installing and dynamically loading a large new module. The module must be transmitted first from the scientist?s workstation to a deep space antenna complex, ....etc

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Multicast Routing with Delay and Delay Variation Constraints for Collaborative Applications on Overlay Networks

Maximum variation in the delays from a source to the destinations. The time-complexity of our Algorithm is O (|E| +nk log (|E|/n) +m2 k), where n and |E| are the number of nodes and edges in the network, respectively, k is the Number of shortest paths determined, and Abstract”Computer supported collaborative applications on overlay networks are gaining popularity among users who are geographically dispers ....etc

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Abstract”
Computer supported collaborative applications on overlay networks are gaining popularity among users who are geographically dispersed. Examples of these kinds of applications include video-conferencing, distributed database replication, and online games. This type of application requires a multicasting subnetwork, using which messages should arrive at the destinations within a specified delay bound. These applications also require that destinations receive the message from the source at approximately the same time. The problem ....etc

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ABSTRACT
Increasingly, network applications must communicate with counterparts across disparate networking environments characterized by significantly different sets of physical and operational constraints; wide variations in transmission latency are particularly troublesome. The proposed Interplanetary Internet which must encompass both terrestrial and interplanetary links is an extreme case. An architecture based on a least common denominator protocol that can operate successfully and (where required) re ....etc

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Improving Delay-Tolerant Network Performance Using Forward Routing Information (Java)
Proceedings of IEEE INFOCOM

The development of delay-tolerant networks (DTNs) has attracted significant attention in the recent years. The concept started with the idea of interplanetary internet and later the DTN Research Group (DTNRG) took up the work concerning the architectural and protocol design principles for the DTNs. A DTN can be regarded as a group of highly disconnected networks/regions where the communication environment may be far from ideal ....etc

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Introduction
Increasingly, network applications must communicate with counterparts across disparate networking environments characterized by significantly different sets of physical and operational constraints; wide variations in transmission latency are particularly troublesome. The proposed Interplanetary Internet, which must encompass both terrestrial and interplanetary links, is an extreme case. An architecture based on a least common denominator protocol that can operate successfully and (where required) reliably in multiple disparate e ....etc

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