From the original message:
[1]
www IN A 10.10.10.10
www IN A 192.168.0.10
From pen homepage:
"This is pen, a load balancer for "simple" tcp based protocols such as http or
smtp."
As I know DNS uses both tcp and udp protocols.
From the posters excerpt it looks like they are looking to load balance
HTTP. [1]
For failover you can try OpenBSD Packet Filter with CARP protocol. PF can do
load-balacing using different algorithms also. CARP is ported to FreeBSD.
More info on: http://pf4freebsd.love2party.net/carp.html
Also true. Last time I looked at this however there was a big disclaimer
saying that
CARP's load balancing was likely to give a distorted distribution of
load and I don't
believe it does weighting. I believe this would also be a problem
considering the
example in [1]:
From carp(4):
Note: ARP balancing only works on the local network segment. It
cannot
balance traffic that crosses a router, because the router itself will
always be balanced to the same virtual host.
Cheers,
Dominic
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