Level 3 Communications Inc.
Level 3 Communications, Inc. acquired Progress Telecom, which selected Ciena's CN 4200™ FlexSelect™ Advanced Services Platform for 10G DWDM metro and regional transport and CN 3600™ Intelligent Optical Multiservice Switch for international gateway and SONET/SDH applications.
In the initial deployments, Ciena's CN 4200 is creating a 10G DWDM backbone for aggregating and transporting Ethernet, IP and other services between metro networks, such as New York to Washington, D.C., while the CN 3600 is providing a single platform that supports next-generation translation, transport and switching of both SONET and SDH for its international gateway locations and metro SONET/SDH services.

