损失摘要

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The失利chart shows tunnels that have the most dropped packets. Statistics are summarized for the selected time period.

损耗百分比（FEC）之前和之后由局部EDGECONNECT观察到的数据确定。测量了两种类型的损失：

• Pre-FEC Loss % – Percent of data packets lost before applying FEC / Total sent packets. This measure indicates what the packet loss would be if FEC were not applied.

• FEC后损失％ - 应用FEC /总发送数据包后丢失的数据包的百分比。此措施表示应用FEC后数据包丢失是什么。

The total number of sent packets over the link is calculated based on three parameters:

• 总收到的数据包（sum_wrx_pkts）

• 从FEC恢复的数据包（更正_ Packets）

• Unrecovered packets after FEC (SUM_POST_LOSS)

计算基于以下公式：

• Total sent packets = SUM_WRX_PKTS + CORRECTED_PACKETS + SUM_POST_LOSS

• 传输中丢失的数据包（sum_pre_loss）= corrected_pa​​ckets + sum_post_loss

根据上述信息，FEC前和FEC后的FEC损失百分比计算如下：

• Pre-FEC Loss (%) = SUM_PRE_LOSS * 100 / (SUM_WRX_PKTS + SUM_PRE_LOSS)

• Post-FEC Loss (%) = SUM_POST_LOSS * 100 / (SUM_WRX_PKTS + SUM_PRE_LOSS)

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