A leader bottleneck describes a performance constraint in distributed systems, particularly blockchains, where a single designated leader or validator is responsible for processing or ordering transactions. This centralization of responsibility can limit the system’s overall throughput and scalability. If the leader becomes overloaded or experiences delays, it can impede the progress of the entire network. Such a situation restricts transaction concurrency and overall system efficiency.
Context
Addressing the leader bottleneck is a primary objective in the design of next-generation blockchain architectures, especially for protocols aiming for high transaction volumes. Solutions often involve sharding, rotating leader selection mechanisms, or alternative consensus algorithms that distribute block production responsibilities more widely. The ongoing research and development in this area are critical for improving the scalability and decentralization of digital asset networks.
Orthrus introduces concurrent partial transaction ordering and a novel escrow mechanism to reduce consensus latency and maximize throughput in BFT systems.
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