To:
dnsop@cafax.se
From:
bert hubert <ahu@ds9a.nl>
Date:
Sun, 6 May 2001 15:32:15 +0200
In-Reply-To:
<aaae4qtzk0.fsf@limmat.switch.ch>; from simon@limmat.switch.ch on Sun, May 06, 2001 at 02:46:55PM +0200
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dnsop@cafax.se
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Subject:
Re: Avoiding outages during (large) zone reload [was: Re: gTLD server losses]
On Sun, May 06, 2001 at 02:46:55PM +0200, Simon Leinen wrote: > * Have a dual/cluster setup, and while one box is reloading its > zone(s), the IP address is routed to the other one. This seems easy > enough and improves robustness in other areas as well. As the GTLD servers are, reportedly, behind Alteon Acedirectors, this seems likely. I would be hesistant to assume that the GTLD servers consist of only two boxes each, though. > * Implement authoritative servers as front-ends to the registry > database. Seems challenging to implement well with traditional > slave servers. And moving to non-traditional slaves (e.g. multiple > front-ends to (mirrored versions of) a single database) doesn't > sound trivial either. If you have the right software, it is trivial. Regards, bert -- http://www.PowerDNS.com Versatile DNS Services Trilab The Technology People 'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet