6 years ago (2014-12-01)  computer technology |   First to comment  11 
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Many people think that the bandwidth of 2Mb is equal to the download speed of 2MB/s, which leads to many misunderstandings. In fact, the transmission rate of general data machine and network communication is in units of “bps”.Such as 28Kbps, 56Kbps, 128Kbps, 1Mbps and 10Mbps and so on.Lowercase b stands for bit (bit), uppercase B stands for Byte (byte), 1Byte=8bit.Taking 2M bandwidth as an example, 2Mbps is equivalent to 2 X 1024/8, which is equal to the download speed of 256 KB/s, but the above speed is only the theoretical maximum speed. Because in actual applications, network losses such as Ethernet header, TCP header, and ATM header are reduced by about 30%, the average download speed is about 180 KB/s. In general, the greater the bandwidth, the faster the download speed, but the download speed is affected by the service provider. The operating system, browser, and computer equipment used by the user can also affect the download speed. The server capabilities of the connected websites are closely related to the bandwidth provided.(The more people who browse the same site at the same time, the less bandwidth this site can provide to each viewer.)These all affect the download speed. Network speed refers to the time when the server responds to your connection request or exchanges the data you send, that is, the network delay or the ping value. The unit is ms (milliseconds). Many users equate the network speed with the download speed, which is also incorrect. of.The size of the ping value indicates how fast the client and server exchange data.The smaller the ping value, the better the network speed. In general, the larger the bandwidth, the smaller the ping value, but the actual situation depends on the connection and routing of the network line. It is not surprising that the opposite occurs.For example, 2Mbps equals 2 X 1024/8, which is equal to the download speed of 256KB/s, but the above speed is only the theoretical maximum speed.Because in actual applications, network losses such as Ethernet header, TCP header, and ATM header are reduced by about 30%, the average download speed is about 180 KB/s. In general, the greater the bandwidth, the faster the download speed, but the download speed is affected by the service provider. The operating system, browser, and computer equipment used by the user can also affect the download speed. The server capabilities of the connected websites are closely related to the bandwidth provided.(The more people who browse the same site at the same time, the less bandwidth this site can provide to each viewer.)These all affect the download speed. Network speed refers to the time when the server responds to your connection request or exchanges the data you send, that is, the network delay or the ping value. The unit is ms (milliseconds). Many users equate the network speed with the download speed, which is also incorrect. of.The size of the ping value indicates how fast the client and server exchange data.The smaller the ping value, the better the network speed. In general, the larger the bandwidth, the smaller the ping value, but the actual situation depends on the connection and routing of the network line. It is not surprising that the opposite occurs.

 

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