No offense to Mojo, but it would seem it might be better for you to have a host with more than one upstream directly peered?
http://lg.onvoy.net/cgi-bin/bgplg?cm...208.122.217.60
BGP routing table entry for 208.122.192.0/19
7821 3356 7922 27589
Nexthop 172.30.0.54 (via 137.192.48.105) from PLMOCSR2 (172.30.0.51)
Origin IGP, metric 0, localpref 80, internal, valid, best
Last update: 06:39:05 ago
Community: 5006:22
BGP routing table entry for 208.122.192.0/19
7821 3356 7922 27589
Nexthop 172.30.0.54 (via 137.192.48.105) from O511CSR2 (172.30.0.52)
Origin IGP, metric 0, localpref 80, internal, valid
Last update: 06:39:05 ago
Community: 5006:22