Disaster recovery using as-prepend?

Thu Feb 16 15:10:02 UTC 2006

* Christopher J. Pilkington:

> We have a disaster recovery site which will have a clone of the myriad
> production servers.  We'd like to fail over to that site
> automagically.
>
> I'm thinking advertising the same prefix and just doing several
> as-prepends.  However, now I'm not sure if this is a polite thing to
> do or not.

Can your backup servers run in parallel to your primary servers?  How
do you handle conflicting updates (assuming that the services are not
completely stateless)?