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An efficient two-tier causal protocol for mobile distributed systems
Eduardo Lopez Dominguez1, Saul E Pomares Hernandez, Gustavo Rodriguez Gomez
1Research and Innovation Centre, Laboratorio Nacional de Informática Avanzada, Xalapa, Veracruz, Mexico. elopez@lania.mx
Plos One
|April 16, 2013
Summary
This study introduces an efficient causal protocol for mobile distributed systems (MDS) that enhances message delivery by adapting causal information dynamically. It ensures causal ordering based on mobile host (MH) views, avoiding unnecessary message delivery inhibitions.
Area of Science:
- Computer Science
- Distributed Systems
- Mobile Computing
Background:
- Mobile distributed systems (MDS) face non-determinism from host mobility, asynchronous execution, and communication delays.
- Existing causal protocols often rely on base station views, leading to unnecessary message delivery inhibitions.
- There is a need for efficient causal protocols tailored to MDS constraints.
Purpose of the Study:
- To present an efficient causal protocol for groupware in MDS.
- To avoid unnecessary message delivery inhibitions in MDS.
- To ensure causal delivery based on mobile host (MH) views.
Main Methods:
- Developed a novel causal protocol for MDS groupware.
- Implemented dynamic adaptation of causal information attached to messages.
- Focused on causal delivery from the perspective of MHs.
Main Results:
- The protocol efficiently satisfies MDS constraints.
- Unnecessary inhibitions in message delivery are avoided.
- Causal delivery is ensured based on MH views, not solely base station views.
Conclusions:
- The proposed protocol offers an efficient solution for causal ordering in MDS groupware.
- Dynamic adaptation of causal information reduces overhead and improves delivery.
- This approach enhances the performance and reliability of distributed mobile applications.
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