a question on bind cache

[Kevin Darcy]

The highest incentive, and the optimal strategy, is for content *owners* 
to manage this, not *consumers*.

http://lmgtfy.com/?q=content+distribution+network

- Kevin

Tech W. wrote:
> Hello,
>
> We have been facing this problem, sometime the original server was down, but Bind didn't know it, and still answered clients with the dead IP.
> Or sometime an external domain name has two or more IPs,  accessing to part of them is fast, but accessing to another part is slow.
> So, do you think is there a resolving way for Bind which can implement the features:
>
> 1. check the popular domains' original IPs (like google's, yahoo's, aol's etc), and exclude the dead IPs from its cache.
> 2. for the popular domains, testing the access speed to each of their IPs and answers the fast IPs to local clients.
>
> Thanks for any suggestion.
>
> Regards,
> Wah.
>
>
>
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