Ciena's stackable platform for data centre interconnect

Ciena is the latest system vendor to unveil its optical transport platform for the burgeoning data centre interconnect market. Data centre operators require scalable platforms that can carry significant amounts of traffic to link sites over metro and long-haul distances, and are power efficient. 

The Waveserver stackable interconnect system delivers 800 Gig traffic throughput in a 1 rack unit (1RU) form factor. The throughput comprises 400 Gigabit of client-side interfaces and 400 Gigabit coherent dense WDM transport. 

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OFC 2015 digest: Part 2

The second part of the survey of developments at the OFC 2015 show held recently in Los Angeles.   

 

Part 2: Client-side component and module developments   

• CFP4- and QSFP28-based 100GBASE-LR4 announced
• First mid-reach optics in the QSFP28
• SFP extended to 28 Gigabit
• 400 Gig precursors using DMT and PAM-4 modulations 
• VCSEL roadmap promises higher speeds and greater reach

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MultiPhy readies 100 Gigabit serial direct-detection chip

MultiPhy is developing a chip that will support serial 100 Gigabit-per-second (Gbps) transmission using 25 Gig optical components. The device will enable short reach links within the data centre and up to 80km point-to-point links for data centre interconnect. The fabless chip company expects to have first samples of the chip, dubbed FlexPhy, by year-end.

Figure 1: A block diagram of the 100 Gig serial FlexPhy. The transmitter output is an electrical signal that is fed to the optics. Equally, the input to the receive path is an electrical signal generated by the receiver optics. Source: Gazettabyte

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Cyan's stackable optical rack for data centre interconnent

Demand for high-capacity links between data centres is creating a new class of stackable optical platform from equipment makers. Cyan has unveiled the N-Series, what it calls an open hyperscale transport platform. "It is a hardware and software system specifically for data centre interconnect," says Joe Cumello, Cyan's chief marketing officer. Cyan's announcement follows on from Infinera, which detailed its Cloud Xpress platform last year.

"The drivers for these [data centre] guys every day of the week is lowest cost-per-gigabit"

Joe Cumello

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Infinera targets the metro cloud

Infinera has styled its latest Cloud Xpress product used to connect data centres as a stackable platform, similar to how servers and storage systems are built. The development is another example of how the rise of the data centre is influencing telecoms.

"There is a drive in the industry that is coming from the data centre world that is starting to slam into the telecom world," says Stuart Elby, Infinera's senior vice president of cloud network strategy and technology.

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Ranovus readies its interfaces for deployment

• Products will be deployed in the first half of 2015
• Ranovus has raised US $24 million in a second funding round
• The start-up is a co-founder of the OpenOptics MSA; Oracle is now also an MSA member.

Ranovus says its interconnect products will be deployed in the first half of 2015. The start-up, which is developing WDM-based interfaces for use in and between data centres, has raised US $24 million in a second stage funding round. The company first raised $11 million in September 2013.

Saeid Aramideh"There is a lot of excitement around technologies being developed for the data centre," says Saeid Aramideh, a Ranovus co-founder and chief marketing and sales officer. He highlights such technologies as switch ICs, software-defined networking (SDN), and components that deliver cost savings and power-consumption reductions. "Definitely, there is a lot of money available if you have the right team and value proposition," says Aramideh. "Not just in Silicon Valley is there interest, but in Canada and the EU."

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ECOC 2014: Industry reflections on the show

Gazettabyte asked several attendees at the recent ECOC show, held in Cannes, to comment on key developments and trends they noted, as well as the issues they will track in the coming year. 

Daryl Inniss, practice leader, components at market research firm, Ovum

 It took a while to unwrap what happened at ECOC 2014. There was no one defining event or moment that was the highlight of the conference.

The location was certainly beautiful and the weather lovely. Yet I felt the participants were engaged with critical technical and business issues, given how competitive the market has become.

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