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Packet-Optical

Nokia Primes Its Optical Switch for DCI & Demarc

Heading into OFC, Nokia is adding new blades and cards to its 1830 Photonic Service Switch, potentially opening the platform to handle more types of services.

The 1830 family traces its roots back to 2008 at Alcatel-Lucent. Designed as a metro optical switch, it's been a centerpiece of Nokia Corp. (NYSE: NOK)'s transport portfolio, and it was the subject of a spate of features and technologies announced at last year's OFC. (See AlcaLu Gets Tropical in the Metro and Nokia Opens Its Optical Box of Tricks.)

The new 1830 Photonic Service Interconnect is a blade for data center interconnect (DCI). It's built around the Photonic Service Engine version 2 (PSE-2) chipset announced last year, which claims capacity of 500 Gbit/s and the capability of single-carrier 400 Gbit/s.

DCI is helping Nokia broaden the 1830's customer base. For example, a deal with Xiaomi, announced during Mobile World Congress, involved using 1830-based DCI between seven data centers. DCI is also one way optical vendors can get involved with the hyperscale cloud providers; ADVA Optical Networking today announced a commercial line system that's been used with the radical DCI architecture announced last year by Microsoft Corp. (Nasdaq: MSFT) and Inphi Corp. (See Nokia Pitches Full 5G Suite but Shies Away From 5G Acceleration Push, ADVA Commercializes DCI Direct Detect, and Microsoft Drops a Data Center Interconnect Bombshell.)


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Nokia also announced the 1830 Photonic Service Demarcation (PSD) device. It handles demarcation of Ethernet and wavelength services -- so, like an Ethernet demarcation device, it marks a handoff between the carrier and customer networks. Another way to view it is that the PSD extends the metro optical network up to the customer premises.

FInally, Nokia announced new 100-Gbit/s cards for the 1830, based on the PSE-2. These include a new 100-Gbit/s optical transport network (OTN) card.

— Craig Matsumoto, Editor-in-Chief, Light Reading

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