This simulation environment of Contact Graph Routing that uses the QualNet network simulator leverages the previously developed space communication models. This software models the Contact Graph Routing (CGR) system proposed for future NASA missions and used in DINETl and DINET2 experiments. It runs inside the QualNet network simulator. This protocol model can assist NASA network designers who wish to use Delay Tolerant Networking protocols with Contact Graph Routing.

This work was done by John S. Segui and Esther H. Jennings of Caltech for NASA’s Jet Propulsion Laboratory. This software is available for commercial licensing. Please contact Dan Broderick at This email address is being protected from spambots. You need JavaScript enabled to view it.. Refer to NPO-47405.

This Brief includes a Technical Support Package (TSP).
Delay Tolerant Networking Contact Graph Routing MACHETE Model

(reference NPO47405) is currently available for download from the TSP library.

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This article first appeared in the April, 2015 issue of NASA Tech Briefs Magazine.

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