This tight coupling among JVMs provides low message latency (only one network hop between any member) and fast failure detection.

JVM 之间的紧密耦合提供了较低的消息延迟（任何成员之间只有一个网络跳转）和快速的故障检测。

youdao

And they get to hold the jitter and latency very low while increasing their message rate from a few hundred thousand messages per second to 3 million.

FORBES: HPC -- Solarflare Server Adapters Cut Through I/O Bottlenecks