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On the performance of a retransmission-based synchronizer
Thomas Nowak1, Matthias Függer2, Alexander Kößler2
1LIX, École polytechnique, 91128 Palaiseau, France.
Theoretical Computer Science
|April 22, 2014
Summary
This study analyzes retransmission-based synchronizers in distributed systems with probabilistic message loss. We precisely calculate the average retransmission rate and analyze convergence speed for reliable round construction.
Area of Science:
- Computer Science
- Distributed Systems
- Algorithm Analysis
Background:
- Designing algorithms for distributed systems is simplified by a round abstraction.
- Distributed systems must tolerate failures, including transmission errors.
- Synchronizers construct rounds and mask transmission failures.
Purpose of the Study:
- To calculate the exact average retransmission rate of a synchronizer in probabilistic environments.
- To analyze the convergence speed of such synchronizers.
- To provide efficient calculation methods for synchronizer performance.
Main Methods:
- Mathematical analysis of retransmission-based synchronizers.
- Application of Markov theory for theoretical results.
- Validation through Monte Carlo simulations.
Main Results:
- Exact calculation of the average retransmission rate for synchronizers with probabilistic message loss.
- Analytical results on the convergence speed of the synchronizer.
- Demonstration of efficient calculation methods.
Conclusions:
- Retransmission-based synchronizers offer a viable approach for reliable round construction in distributed systems.
- The study provides precise performance metrics and efficient analysis techniques.
- Theoretical findings are supported by simulation, confirming the model's accuracy.
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