In this post I will try to compare four of my favorite protocols for Byzantine Fault Tolerant (BFT) State Machine Replication (SMR):
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The threshold adversary
In addition to limiting the adversary via a communication model synchrony, asynchrony, or partial synchrony, we need a way to limit the adversary’s power to corrupt parties.
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The power of the adversary
After we fix the communication model, synchrony, asynchrony, or partial synchrony, and a threshold adversary there are still five important modeling decisions regarding the adversary’s power:
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Synchrony, Asynchrony and Partial synchrony
In the standard distributed computing model, communication uncertainty is modeled by an adversary that controls message delays. The communication model defines the limits to the power of the adversary to delay messages.
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Where do I even start?
I have been wanting to start a blog for a long time. Here we go!