On Wed, 2007-02-28 at 08:27 +1000, Julian De Marchi wrote: > > DNS is the easiest way (publish both IPs in DNS). Otherwise you need a > > front-end loadbalancer (which itself is subject to falling over). > > Could I please have an example of a dns record? I was unaware that you could > for example have jdcomputers.com.au resolve to two ip address... ~$ host www.google.com www.google.com is an alias for www.l.google.com. www.l.google.com has address 126.96.36.199 www.l.google.com has address 188.8.131.52 www.l.google.com has address 184.108.40.206 www.l.google.com has address 220.127.116.11 www.google.com is an alias for www.l.google.com. www.google.com is an alias for www.l.google.com. IIRC, to do this in bind, you would edit your db.<domain> file and do something like this: www IN A 18.104.22.168 IN A 22.214.171.124 DNS queries for www.jdcomputers.com.au would then return both IPs to a client, the client would then use either one to connect to your website. Additionally if one didn't work, the client would (eventually in the case of IE) try the other. -Jim P.
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