2008-11-08 01:00:03
Let's say you are on an expensive satellite link that can barely provide enough bandwidth for your company's Internet access and you will want to do whatever you can to get as much as possible out of this link. Moreover, occasionally you lose power from the utility company, long enough for your UPS to run out. There are a few things you could do to get a lot more from your link. In this article, we will be looking at speeding up your dns requests by keeping a cache of responses to your dns requests on your hard disk. Subsequent dns request are then served from the cache and because a copy is on disk, you don't lose it when there is a power outage or a reboot. 

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