吞吐量
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定义
在给定时间内通过网络或系统成功传输数据的实际速率，以比特或字节每秒为单位。
解释
Throughput is always less than or equal to bandwidth due to protocol overhead, packet loss, retransmissions, and congestion. A 1 Gbps Ethernet link typically achieves 940–960 Mbps of usable TCP throughput. Disk throughput and network throughput are both critical bottlenecks in data center design. The difference between advertised bandwidth and measured throughput is a common source of consumer frustration.
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