Their POP architecture is very similar to others.
There is now a new DS-3 backbone now fully deployed provisioned on Sprint's OC-48 infrastructure.
Customers wanting DS-3 direct access have a dedicated connection to the Gigaswitch.
Sprint's backbone has expanded to include Cheyenne, Atlanta and Seattle.
In August, there was an effort to improve access throughout SprintLink.
FDDI Transit rings have been added by partitioning the existing Gigaswitch in half.
12 DS-3 Private Peering Connections have been added. These have helped reduce traffic from MAE-EAST to these private peering points.
Adding backbone sites in Orlando, Sanjose and Roachdale, IN.
Packet over SONET transit ring between backbone routers. 12 additionally DS3 and two OC3 private interconnects with other NSPs. 14 OC-3Cs on four-fiber bidirectional OC48 SONET rings with protect channels cabled on redundant routers. Adding Full Duplex FDDI access router interconnects.