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Run-time dynamic linking for reprogramming wireless sensor networks
RISE, Swedish ICT, SICS.
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0003-4044-4207
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0001-7257-4386
RISE, Swedish ICT, SICS, Computer Systems Laboratory.ORCID iD: 0000-0002-2586-8573
2006 (English)Conference paper, Published paper (Refereed)
Abstract [en]

From experience with wireless sensor networks it has become apparent that dynamic reprogramming of the sensor nodes is a useful feature. The resource constraints in terms of energy, memory, and processing power make sensor network reprogramming a challenging task. Many different mechanisms for reprogramming sensor nodes have been developed ranging from full image replacement to virtual machines. We have implemented an in-situ run-time dynamic linker and loader that use the standard ELF object file format. We show that run-time dynamic linking is an effective method for reprogramming even resource constrained wireless sensor nodes. To evaluate our dynamic linking mechanism we have implemented an application-specific virtual machine and a Java virtual machine and compare the energy cost of the different linking and execution models. We measure the energy consumption and execution time overhead on real hardware to quantify the energy costs for dynamic linking. Our results suggest that while in general the overhead of a virtual machine is high, a combination of native code and virtual machine code provide good energy efficiency. Dynamic run-time linking can be used to update the native code, even in heterogeneous networks.

Place, publisher, year, edition, pages
2006, 1. , p. 14
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-21145OAI: oai:DiVA.org:ri-21145DiVA, id: diva2:1041179
Conference
Proceedings of the Fourth ACM Conference on Embedded Networked Sensor Systems (SenSys 2006)
Projects
DTN/SNRUNESEFFWSNContikiAvailable from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-07-04Bibliographically approved

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Voigt, Thiemo

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Total: 14 hits
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Citation style
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Output format
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