Question : Is a dedicated digital line from Canada to Mexico possible?

An associate company runs a WAN off a Verizon backbone (actually a VLAN).  Recently we looked at a business opportunity that would involve running terminal server sessions (Windows Remote Desktop) from locations across Canada to a data center in Mexico.  The existing connection would be Bell/Telus to Verizon to AT&T to Alestra.  Using managed routers on either end of the connection we see brief drops several times a month and horrible drops (8 hours or more) at least once a year.  Is there a better way to do this?

Answer : Is a dedicated digital line from Canada to Mexico possible?

I have to agree with 'thinkpads_user'  you need to ascertain exactly where your drops are before you can move any further.

once you know where you are getting the drops then you can make an assessment of what contingency you can put in place.  You might find you can install a back up connection for that 'leg' of the connection and fail over to this using a firewall rule if that legs drops.

you could always put in place a cheaper DSL or similar connection as a backup to manually fail to if you get a long (time wise) drop out.

Another option for the intermittent drops could be some network cacheing equipment which may improve the user experience over less stable connections.  something like a riverbed or citrix wanscalar maybe help...