Consistency in Mobile Applications

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Consistency in Mobile Applications

• Vinny Cahill
• vinny.cahill_at_cs.tcd.ie

Distributed Systems Group Trinity College Dublin
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Sentient Traffic Management
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Sentient Objects
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Context Awareness
Sensor
Sensor
Capturing Function
Past, Present and Future Context
Inference Engine Rules
Accuracy
Sensor
Sensor
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Issues

• Are context models of individual sentient objects
  mutually consistent?
• Difficulty of distributed consensus

• Is context model consistent with the real world?
• Inherent inaccuracy of sensor data

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Stigmergy

• Communication via the environment
• Biological systems
• E.g. pheromones

Trafeoff consensus vs. accuracy