Poster: modeling the performance of routing in heterogeneous delay-tolerant networks

Abstract

This paper investigates the heterogeneity of delay-tolerate networks (DTNs) by considering that among regular nodes some infostations are equipped with large-capacity buffer and connected by high-speed links to form an infostation system. We analytically model epidemic routing behavior of such DTNs using extended Susceptible-Infectious-Recovered model. Specifically, closed expressions for the number of infectious nodes with varying time, Cumulative Distribution Function (CDF) of packet delivery delay and CDF of infostations infected time are derived. Based on extensive numerical results, the impact of transmission range and inforstation number on the network performance is revealed.