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

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  • 1.  
  • 2.  
  • 3. <ul><li>OS for mote-class WSN. </li></ul><ul><li>Developed by the Networked and Embedded Systems Lab (NESL) at UCLA. </li></ul><ul><li>Dynamic reconfigurability- main motivation behind SOS. </li></ul><ul><li>Completely written in C Programming language. </li></ul>
  • 4. 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
  • 5. <ul><li>Dynamic operating system. </li></ul><ul><li>Compact kernel interface. </li></ul><ul><li>Safety features through run-time checks </li></ul><ul><li>Performance </li></ul>
  • 6.  
  • 7. <ul><li>Fully preemptive reservation-based RTOS. </li></ul><ul><li>Developed by Carnegie Mellon University . </li></ul><ul><li>Multi-hop networking support. </li></ul><ul><li>Supports fixed-priority preemptive multitasking. </li></ul><ul><li>Currently runs on the FireFly and MicaZ motes. </li></ul>
  • 8.  
  • 9. FEATURES OF NANO-RK <ul><li>Multitasking </li></ul><ul><li>Timeliness and Schedulability </li></ul><ul><li>Enforcement of Resource Usage Limits </li></ul><ul><li>Classical OS Multitasking </li></ul><ul><li>Small footprint </li></ul><ul><ul><li><18 KB ROM </li></ul></ul><ul><ul><li><2 KB RAM </li></ul></ul>
  • 10.  
  • 11.  
  • 12.  
  • 13.  
  • 14. <ul><ul><li>Preemptive scheduling </li></ul></ul><ul><ul><li>Task synchronization </li></ul></ul><ul><ul><li>deadlock prevention </li></ul></ul>
  • 15.  

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