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pps¡Apackets per second¡A«üªº¬O¨C¬í©Ò¯à³B²zªº«Ê¥]¼Æ¡C

·í°Q½×¨ì pps »P bps ªºÂà´«®É¡Apacketsªº¤j¤p·|¬O­pºâ¤Wªº­«ÂI¡C
¦b¤A¤Óªººô¸ô¤¤¡A³Ì¤pªºpackets¬O64 Bytes¡A³Ì¤jªºpackets¬O1518 Bytes¡C
¤£¦Pªºpackets¤j¤p¡A´«ºâ¥X¨Óªºbps¤]·|ÀH¤§¤£¦P¡A
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X pps * (packets¤j¤p + 20) * 8 = Y bps

(¨ä¤¤©T©wªº 20 ­ÓBytes¡A¤À§O¬O Layer 2 ùØ 8 Bytesªº Header¡A»P 12 ­ÓBytesªº«Ê¥]¶¡¹j¡C)


¨Ò¦p¡A¬Y¤@¨¾¤õÀ𥦳B²z128 Bytes throughputªº¯à¤O¬O50Kpps¡A¸g¹L¤½¦¡´«ºâ¡A¨ä¹ïÀ³ªºthrouthput¬O59.2Mbps¡C
50Kpps * (128 + 20) * 8 = 59200Kbps = 59.2Mbps


¤£¹L¡A­nª`·Nªº¬O¡A¯à°÷¥H50Kppsªº®Ä¯à¨Ó³B²z128 Bytesªº«Ê¥]¡A
¦b³B²z64 Bytesªº«Ê¥]®É¡A¤£·|¦]¬°¸ê®Æ¶q¬O128 Bytesªº¤@¥b¡A¨ä®Ä¯à´N¬O128 Bytes®Éªº¨â­¿ - 100Kpps¡A
¤@¯ë¨Ó»¡¡A64 Bytesªº³B²z®Ä¯à³»¦h¥u¬O¤ñ128 Bytesªº¼Æ¾Ú50Kpps¦h¤@ÂI¡A¨Ò¦p60Kpps¡C
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60Kpps * (64 + 20) * 8 = 40320Kbps = 50.3Mbps
50Kpps * (128 + 20) * 8 = 59200Kbps = 59.2Mbps
40Kpps * (1518 + 20) * 8 = 492160Kbps = 492.2Mbps


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2015-05-04, 13:59 shunze ªº­Ó¤H¸ê®Æ §â shunze ¥[¤J¦n¤Í¦Cªí µo°eEmailµ¹ shunze ÂsÄý shunze ªººô¯¸ MSN : shunze@gmail.com
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