If I/O throughput has a direct impact on overall network performance, and network media is incapable of supporting the full I/O capacity of a server bus, the result is a self-perpetuating cycle of inadequate performance.

• 如果I/O吞吐能力对网络总的性能有直接影响，网络介质不能支持服务器总线的全部能力，那么后果就是不佳性能的自身死循环。