Design and Performance of PRAN: A System for Physical Implementation of Ad Hoc Network Routing Protocols

  • Authors:

  • Amit Kumar Saha;Khoa Anh To;Santashil PalChaudhuri;Shu Du;David B. Johnson

  • Affiliations:

  • Department of Computer Science, Rice University, 6100 Main St. MS-132, Houston, TX;Department of Electrical and Computer Engineering, Rice University, 6100 Main St. MS-132, Houston, TX;Department of Computer Science, Rice University, 6100 Main St. MS-132, Houston, TX;Department of Computer Science, Rice University, 6100 Main St. MS-132, Houston, TX;Department of Computer Science, Rice University, 6100 Main St. MS-132, Houston, TX

  • Venue:
  • IEEE Transactions on Mobile Computing
  • Year:
  • 2007

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Abstract

Simulation and physical implementation are both valuable tools in evaluating ad hoc network routing protocols, but neither alone is sufficient. In this paper, we present the design and performance of PRAN, a new system for the physical implementation of ad hoc network routing protocols that unifies these two types of evaluation methodologies. PRAN (Physical Realization of Ad hoc Networks) allows existing simulation models of ad hoc network routing protocols to be used—without modification—to create a physical implementation of the same protocol. We have evaluated the simplicity and portability of our approach across multiple protocols and multiple operating systems through example implementations in PRAN of the DSR and AODV routing protocols in FreeBSD and Linux using the standard existing, unmodified ns-2 simulation model of each. We illustrate the ability of the resulting protocol implementations to handle real, demanding applications by describing a demonstration with this DSR implementation transmitting real-time video streams over a multihop mobile ad hoc network; the demonstration features mobile robots being remotely operated based on the real-time video stream transmitted from the robot over the network. We also present a detailed performance evaluation of PRAN to show the feasibility of our architecture.