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Lightweight Module Isolation for Sensor Nodes

Research output: Contribution to journalJournal article


Journal publication date06/2008
JournalProc. MobiVirt: Workshop on Virtualization in Mobile Computing, held in conjunction with ACM/USENIX MobiSys 2008
Number of pages0
Original languageEnglish


There is an increasing tendency in sensor networks (and related networked embedded systems) to push more complexity and ‘intelligence’ into end-nodes. This in turn leads to a growing need to support isolation between the software modules in a node. In conventional systems, isolation is achieved using standard memory management hardware; but this is not a cost-effective or energy-efficient solution for small, cheap embedded nodes. We therefore propose a software-based solution that promises isolation in a significantly lighter-weight manner than existing software-based mechanisms. This is achieved by frontloading effort into offline compilation phases and leaving only a small amount of work to be done at load time and run time.