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Quantitative Finance · Glossário

O que é Gossip protocol?

Definition 21.1 Networks, Hardware and Trading Infrastructure · Capítulo 21 — On-Chain Connectivity

A gossip protocol spreads a message over a peer-to-peer network by having each node that receives it for the first time forward it (or announce it) to some or all of its peers, so that it reaches every node in a number of hops that grows with the logarithm of the network’s size.

Simulation: when a transaction sent from Tokyo reaches the next leader, by the leader’s city: through the gossip graph from a public node in Tokyo (median over the city’s nodes), and directly through the published block engine nearest the leader. Gossip adds 14 to 39\, m s. Data: fig_chain.py, nw_chain.to_leader().
Figure 21.2. Simulation: when a transaction sent from Tokyo reaches the next leader, by the leader’s city: through the gossip graph from a public node in Tokyo (median over the city’s nodes), and directly through the published block engine nearest the leader. Gossip adds 14 to 39 ms39\,\mathrm{m}\mathrm{s}. Data: fig_chain.py, nw_chain.to_leader().
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