Amber Networks

Argon Networks

The company manufactures high-performance routing and switching hardware for internet service providers and telecommunications transport networks.

Ipsilon Networks

This company develops internet protocol switching hardware and software to provide high-speed routing services for telecommunications and data network operators.

Cerent

Cerent develops optical transport platforms that consolidate add-drop multiplexing and data switching for telecommunications service providers.

Sycamore Networks

This company manufactures optical networking equipment and software that enables telecommunications service providers to manage bandwidth and high-speed data traffic.

Cascade Communications

This company develops wide area network switching products for public carriers and private network providers to integrate data, voice, and video traffic.

NETWORK PERFORMANCE SOFTWARE

This company develops route analytics and IP traffic insights software to help service providers and large enterprises manage complex Layer 3 networks.

Hatteras Networks

Hatteras Networks manufactures Ethernet over copper and TDM equipment for telecommunications carriers to deliver high-speed broadband and mobile backhaul services using existing infrastructure.

BelAir Networks

This company provides wireless networking equipment and software to telecommunications service providers and mobile network operators.