NTT Communications (NTT Com) Corporation is one of the business corporations created through the reorganization of Nippon Telegraph and Telephone (NTT) Corporation. NTT Com offers a wide range of international communications-based services as a part of the NTT group. The fast and large-capacity \"Global IP Network\" operated by NTT Com connects Japan, the United States, Europe, Australia, and Asia like a mesh. Their challenge is to improve operational efficiency of global tier-1 IP backbone. They chose Juniper Networks to overcome this challenge. They have implemented Juniper Networks T1600 Core Routers. The result of implementing Juniper Networks was 30 percent improvement of operational efficiency of global tier-1 IP backbone.