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Partially Synchronous Model

Definition

The partially synchronous model is a system assumption in distributed computing where messages are typically delivered within a known time bound, but occasional, unpredictable delays can occur. This model provides a realistic framework for analyzing blockchain protocols, acknowledging that network conditions are not always perfectly reliable or entirely unpredictable. It permits the design of robust consensus algorithms that can function effectively despite transient network issues. This balance between synchronous and asynchronous conditions is critical for practical decentralized systems.