There are two meshes of ATM that make up this network. They are all PVC based. MCI has an agreement with NetStar to develop code on the Gigarouter.
Hardware upgrade to add new functionality.
Lightstreams are being replaced by Fore ASX-1000. The Cisco 7000 will be upgrade to 7507. Vector switches are also being used. Five static customers for two years. Communities make it easy to insure that there is no transit use.