--- title: 第五堂 tags: 網路概論筆記 --- ## Packet loss - packet arriving to full buffer is lost ## End-to-End delays - 每台 router 的 delay 加總 - processing delay - queueing delay - transmission delay - propagation delay ## Real Internet delays and routes ## Throughput - Instantaneous throughput ( 瞬時 ) - Averahe throughput ( 平均 ) - 只在乎每秒可以有多少 Throughput ,網速對下載量沒有很大的關連性,通道的大小更是影響 Throughput 的主因 ## Troughput in Computer Network - `min(R/10,Rc,Rs);`
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