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Middleware Support for Generic Actuation in the Internet of Mobile Things Sheriton Valim Matheus Zeitune Bruno Olivieri Markus Endler Laboratory for Advanced Collaboration (LAC) Pontifcia Universidade Catlica of Rio de Janeiro (PUC-Rio)

  1. Middleware Support for Generic Actuation in the Internet of Mobile Things Sheriton Valim Matheus Zeitune Bruno Olivieri Markus Endler Laboratory for Advanced Collaboration (LAC) Pontifícia Universidade Católica of Rio de Janeiro (PUC-Rio) Brasil LAC Laboratory for Advanced Collaboration

  2. Agenda 1. Introduction 2. Challenges 3. Generic Actuation 4. Our Approach 5. M-Act 6. SOM 7. Driver 8. Tests 9. Conclusions and Future Work 2

  3. Introduction ▪ Actuators are essential to IoT Applications • Smart Homes • Smart Industry • Smart Transportation • Healthcare ▪ Change their physical environment 3

  4. Challenges ▪ Process and memory limitations ▪ Short-Range Communication ▪ Need gateway to connect to the Internet 4

  5. Challenges ▪ Diversity • Different devices • Different implementations • Different command protocol 5

  6. Generic Actuation ▪ What? • Control any actuator • Independent protocol • Independent manufacturer ▪ How??? 6

  7. Our Approach ▪ Taxonomy of Actuation • Blind • Reliable with active feedback • Reliable with passive feedback • Noticeable with indirect feedback • Noticeable with indirect and delayed feedback 7

  8. Our Approach ▪ ContextNet Extension ▪ M-ACT • Microservice of M-Hub • Request drivers for the actuators • Translates generic commands to native protocol of actuators ▪ SOM (Smart Objects Manager) • Microservice of the ContextNet Core • Repository of drivers • List of devices registered • ConnectedTable ▪ Drivers to describe the native protocol 8

  9. Our Approach 9

  10. Our Approach ▪ MACTQuery 10

  11. Our Approach ▪ Discovery and connection 11

  12. Our Approach ▪ Actuation sequence 12

  13. M-Act 13

  14. M-Act 14

  15. M-Act 15

  16. SOM 16

  17. Driver ▪ JSON format 17

  18. Driver ▪ JSON format Device type and communication interface it uses Connection Steps (e.g. To unlock the device) List of available commands in a generic format and the specificationto translate to the native protocol 18

  19. Tests ▪ Demostrate the feasibility of our approach ▪ Control the Toy Robot BB-8 ▪ Evaluate the overhead added • Average ~36ms added to translation 19

  20. Conclusions and Future Work ▪ Demostrated the feasibility of the approach ▪ Mobile gateways can incur in actuation failures due to disconnection ▪ Suitable for smart homes, smart buildings, and systems where realtime are not required 20

  21. Conclusions and Future Work ▪ Handover BB8 M-Hub A SDDL Gateway Gateway M-Hub SOM M-Hub B { { Obj: BB8, Obj: BB8, M-Hub: B, M-Hub: A, Descriptor: {…} Descriptor: {…} } } M-OBJ Joystick 21

  22. Thank You! 22

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