![]() So if you are only getting 150kb/s, you are actually getting 150kb/s per thread connected to the server. The TCP limitations I just talked about are working on a per thread basis. Clients like FileZilla can connect with multiple threads to one server. Introducing multi-thread and multi-segmentĭon't give up just yet! There are techniques that can drastically improve your download speed. Tl dr The further away you are from the server you are trying to download from the slower your download will be. Usually this returns to normal but make sure you are using segments to get around any issues you might have. Because of this the route to your ISP might get better or worse from time to time. ![]() This is because the peering/transit arrangements between providers constantly change. One day your speed might be fine and the next it might be much slower (or much faster). That's why you can max out your download to one server but get a sucky 150kb/s on a different one.Īn other annoying side effect is that the internet is constantly changing. This means for every 256kb the server sends it waits 130ms to send the next 256kb. However if you live in the US and you are connecting to a server in Germany this trip might take 130ms. The server will send 256kb and then pause for 12ms. If you are very close to the server (let's say 12 ms) it's not that much of a problem. ![]() It's this mechanism that's responsible for the loss of speed. If for instance it announces to the server it's willing to buffer 256kb of data the server will send 256kb and then wait for the client to report that it received the 256kb in good order. When talking to a server the client requesting the data specifies a "receive window" it's a value that decides how much data it is willing to receive before reporting back to the server that it received all the packages. Flow control is responsible for deciding how fast the server sends the data to the client and is main factor that decides your download speed. TCP is a great protocol, it has built in error detection, it numbers the packages so it can rebuild the file regardless of the way the packets arrive and it has native support for flow control. Like mentioned above FTP uses TCP as it's transport layer. To explain why FTP does not always max out your home connection we have to take a look at the way the transport layer FTP uses works. Most of the questions regarding FTP have to deal with speeds issues. Lastly, Swish is a Windows Explorer extension so you don't need to open a separate program to use it and therefore is not resource intensive. Swish is easy to use because it integrates seamlessly with Windows Explorer so working with remote files feels just like working with the ones on your local computer. Swish adds support for SFTP to Windows Explorer so you can access your files on another computer securely via SSH. Download it now from the client list below and see for yourself. Swish is believed to be a better option for typical Windows users than other SFTP clients because it is so easy to use. Since it works on top of TCP though the rest of the text still applies to SFTP. It's a totally different protocol though and only the name is similar to FTP. Both the commands and data stream is fully encrypted. SFTP is a different protocol that works on top of a encrypted SSH connection. You download the files via torrents on the server and connect with a FTP client to bring the files to your own pc. When talking about torrents FTP is mainly used in combination with seedboxes.
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