什么是BT 下载（国外英文资料）.docVIP

什么是BT 下载（国外英文资料） The recommended answer is 2010-02-2618:16 B T is one of the hottest downloads, Its called BitTorrent, or BitTorrent, which is called BitTorrent in Chinese, but a lot of friends have dubbed it abnormal download, and why? In terms of HTTP, FTP, PUB, downloads, are generally not put the file on the server first, and then sent by the server to each of the users machine, its working principle is shown in figure 1. So if the same time the number of users to download too much, certainly will affect all users download speed, if some user use multi-threaded download, the impact on bandwidth is more serious, so almost all of the download server has a number of users and the highest download speed, etc. Obviously, due to the reason above, even if you are using the broadband network, is usually difficult to achieve operators promise the highest download speed, there is a network of reason, but with the server restrictions. Thats why, after the advent of the BT download, it quickly became a favorite for downloading fans. A BT server implements file sharing in a way that is written and sold, and how it works. For example, such as BT server to a file into the N, a, b, c, d four users to download at the same time, the BT doesnt completely from all parts of the server to download this file, but according to the actual situation to selectively download from other users machine has been a part of the download is complete. For example an already download part 1, b have downloaded part 2, then c will be downloaded from a machine in part 1, download from b machine part 2, a, b, d, of course, the three user at the same time also from c to download the corresponding part of the machine, this greatly reduced the BT server load, and also speed up the download speed of c at the same time, that is to say, each to download computer download files from the other users computer, both at the same time itself is provided to other users to download, so to participate in the more t