On 13 Dec 2006, at 13:55, Kenn Humborg wrote:
>>> How about having a domU that does the iptables stuff and all the
>>> "application" domUs live in rfc1918 space?
>>>> 2a though, at best, and it was considered.
>>>>> The "virtual router" domU could be identical on both sites if it
>>> had some smart way of figuring out where it was running. For
>>> example, ping the
>>> upstream router IP address for both providers and see which has
>>> the lower TTL.
>>>> Yeah, or have its IP passed to it at boot time - that's a solvable
>> problem, but it's debatable what having that domU brings you, as
>> against having iptables run on the dom0.
>> Your iptables-running domU is replicated between sites, same as the
> application domUs. That way any iptables config only needs to be
> done in one place. Running iptables on the dom0s means that you
> have to configure it in two places.
I'll give you that - doesn't get it much above a 2a though IMHO :-)
There's been a marked lack of response to my original mail - are all
our Xen users too busy doing it to talk about it?
Niall
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