Cisco says it is buying optical-semiconductor firm Luxtera for $660 million and will build its silicon photonics into future enterprise data-center, webscale, and service-provider networking gear.

This photonic technology is essential to keep up with projected massive increases in IP traffic volume over the next four years, according to Cisco's networking chief.

"Optics is a fundamental technology to enable this future. Coupled with our silicon and optics innovation, Luxtera will allow our customers to build the biggest, fastest and most efficient networks in the world," said David Goeckeler, executive vice president and general manager, Networking and Security Business at Cisco

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