Sos And Nano Rk A Comparative Study
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Sos And Nano Rk A Comparative Study

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    Sos And Nano Rk A Comparative Study Sos And Nano Rk A Comparative Study Presentation Transcript

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      • OS for mote-class WSN.
      • Developed by the Networked and Embedded Systems Lab (NESL) at UCLA.
      • Dynamic reconfigurability- main motivation behind SOS.
      • Completely written in C Programming language.
    • Static SOS kernel Sensor Manager Messaging I/O System Timer SOS Services Tree Routing Module Data Collector Application Photo-sensor Module Dynamically Loaded modules Dynamic Memory Message Scheduler Dynamic Linker Kernel Components
      • Dynamic operating system.
      • Compact kernel interface.
      • Safety features through run-time checks
      • Performance
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      • Fully preemptive reservation-based RTOS.
      • Developed by Carnegie Mellon University .
      • Multi-hop networking support.
      • Supports fixed-priority preemptive multitasking.
      • Currently runs on the FireFly and MicaZ motes.
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    • FEATURES OF NANO-RK
      • Multitasking
      • Timeliness and Schedulability
      • Enforcement of Resource Usage Limits
      • Classical OS Multitasking
      • Small footprint
        • <18 KB ROM
        • <2 KB RAM
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        • Preemptive scheduling
        • Task synchronization
        • deadlock prevention
    •