Solana Launches SIMD-0337 Proposal, Introducing Fast Leadership Transition to Boost Network Performance
2025-10-18 02:16:17
Solana's proposed improvement, SIMD-0337, introduces block tagging to implement the fast leader handover mechanism in Alpenglow. This technology allows leaders to start block production immediately based on the expected parent block without waiting for confirmation, advancing block production time by about 120 milliseconds and increasing IBRL (Interblock Reliable Delay) by about 7.5%. The new mechanism is implemented through two tags, BlockHeader and UpdateParent, which not only ensure security against malicious behavior, but also maximize network throughput. Full technical details have been published on GitHub.
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