The TSA cluster domain and the standby server are linked together through leased lines.

tsa集群域和备用服务器通过专用线路链接在一起。

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Increasingly, leased lines are being used by companies, and even individuals, for Internet access because they afford faster data transfer rates and are cost-effective if the Internet is used heavily.

由于专用线路能够提供更快的数据传输速率，并且，在Internet访问量大的情况下，专用线路能够节约成本，所以，专用线路越来越多地被企业、甚至个人使用。

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Leased lines between company offices cost up to four times more than in America.

ECONOMIST: Wiring corporate Japan

And, since the beginning of April, foreign companies have been able to connect their private leased lines to the Japanese domestic network.

ECONOMIST: Deregulation in Japan

From next April, competition will become still fiercer: foreign companies will be allowed to connect their private leased lines to the Japanese domestic network.

ECONOMIST: Japanese telecoms