The plan is to use a Cisco router between our suite and theirs.  We can get=
 another Class C from these guys, but we would also like to keep the PSI=
 connection as a backup.
We've got a few questions on how to do all this:
1) Is it possible (and reasonable) to have both connections active at the=
 same time?  
2) If so, can we do it and keep the PSI address block with routing via the=
 new upstream (which is connected to Verio) or get PSI route to our Verio=
 block?
3) If not, is it reasonable to setup two subnets (1 PSI block and 1 Verio=
 block) with each virtual server assigned an address in each subnet?  I am=
 thinking if we do it this way, I could have our primary DNS on the Verio=
 subnet, pointing to Verio addresses, with our "secondary" setup as a=
 primary on the PSI subnet, with all it's A records pointing to the PSI=
 block.  I know it's twice the work, but (to me anyway) it makes sense and=
 would provide complete connection redundancy.
Any thoughts from some seasoned pros?
Stuart Stevenson
stuart@tracent.net
Tracent Technologies, Inc.
www.tracent.net