A performance comparison of delay-tolerant network routing protocols


Networks that lack continuous finish-to-finish connections among their nodes because of node mobility, constrained power sources, or limited information space for storing are referred to as DTNs. To beat the intermittent connectivity, DTN nodes store and carry the information packets they receive until they come into communication range of each other. In addition, they unfold multiple copies of the identical packet on the network to increase the delivery chance. In recent years, many routing protocols have been developed specifically for DTNs. These protocols vary in the quantity of copies they spread and the data they use to guide the packets to their destinations. There are some reviews of these protocols, however no performance comparison has been conducted. In this article, we study four well-known DTN routing protocols: EPIDEMIC, Spray-and-Wait, PROPHET, and MAXPROP. We have a tendency to introduce a procedural kind to present the protocols. We have a tendency to measure the performance of the protocols in terms of packet delivery, delivery value, and average packet delay. We compare the protocols' performance along with the results of optimal routing using real-life eventualities of vehicles and pedestrians roaming in an exceedingly town. We tend to conduct many simulation experiments to show the impact of changing buffer capability, packet lifetime, packet generation rate, and variety of nodes on the performance metrics. The article is concluded by providing guidelines to develop an economical DTN routing protocol. To the best of our data, this work is the primary to produce a detailed performance comparison among the diverse collection of DTN routing protocols.

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