Re: anyone know what powers "google public DNS?"

David Nicol <[email protected]>
Newsgroups gmane.network.djbdns
Message-ID <[email protected]> 
On Tue, Jan 26, 2010 at 8:44 PM,  <[email protected]> wrote:
> From a technical point of vue, it brings some new ideas in. One I find
> really interesting is the prefetching done after the TTL expired. Upon
> eviction of the cache, if the resource is popular, then it is immediatly
> requested again (instead of waiting for a client request), and therefore the
> most recent version of all popular records is always in cache.

Squid cache has been doing that with web pages for decades. So the new
idea is applying the concept to DNS.
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