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Since its earliest days optical networking, on the physical cabling level, has been touted as much less prone for hard tapping than copper cables. But today, this is much less the case. Once somebody put their tap on in a right place, the security of the optical networking is gone. More and more studies are in public on the practicalities and theory of tapping an optical wire. Passive tapping may bring a lot of good intelligence.

Simple products can even be found on public market places like AliBaba and eBay today. These include bend and split tools and procedures are available for even a small scale operatives to use. Once you cut a bit out from the cable protective cover, with a proper bending a non-intrusive device can detect the signal, and thus all the security on the physical cable level is gone. Just like that, in an instant.

Traditionally fiber optic cabling has been considered more secure, based on the time it takes to tap into the fiber. Today fiber cable is as vulnerable as old copper wiring was. And with the larger amount of data travelling across the fiber cabling, the risks and stakes are higher as well. Often optical fiber signal splitting devices are not secured, and it is easy to make data leak out from fiber optics for later analysis.   Even non-intrusive techniques are proved to be effective, just by peeping into the wire, to get the light signal duplicated without ever cutting the wire half — something similar to the old fashioned copper wire taps.

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Smart Optical Components in the Data Center Market

The growth of data centers is a constant theme in the trade press.  Typically, this growth is presented as an encouraging trend, creating demand for a variety of systems and components. But for data center managers hyperscale data centers are mostly cost centers; necessary evils that require cost reduction and cost analysis, and do not produce profits for their owners.

All this has consequences for optical component manufacturers.  These implications have both positive and negative implications for the component sector.  On the one hand, the cost sensitivity of data centers points towards the need for plain vanilla standardized components that are hard to distinguish in the marketplace.  On the other hand – and somewhat paradoxically – CIR believes that it also indicates a new and potentially profitable direction for components companies in the form of what we shall call “smart optical components.”

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Thunderbolt 3:  Mismatch and Opportunity

After the relative failures of the Thunderbolt 1 and Thunderbolt 2 cabling systems, Thunderbolt 3 appears set for success as the “one cable to rule them all.”  Thunderbolt 3 is billed as a user-friendly cabling system, robust enough to support everything from high-definition video to high-res audio to personal storage networking.  It operates at 40 Gbps, twice the data rate of earlier Thunderbolts. Thunderbolt 3 also supports the most popular consumer electronics interfaces including the USB Type-C connector, USB 3.1, DisplayPort 1.2 and HDMI 2.0. As an aside, some insiders are now talking about an 80 Gbps Thunderbolt 4 at some time in the not-too-distant future.

The proof that Thunderbolt 3 is catching on is that many important laptop OEMs are now adopting Thunderbolt 3.  In the past the Thunderbolt reality has been an Intel-Apple one.  Thunderbolt was born at Intel at the end of the last decade, but despite Intel’s early high hopes, the only big computer/consumer electronics firm to have implemented the earlier versions of Thunderbolt was Apple.  Thunderbolt 1 and Thunderbolt 2 did not see much (or indeed any) love at the Windows/PC companies.  But this has changed with the advent of Thunderbolt 3.  Acer, Asus, Dell, HP, and Lenovo began to show real interested in Thunderbolt in 2015 and all have high-profile Thunderbolt 3 capable laptop models on the market today.

Meanwhile, Apple has gradually strategically positioned Thunderbolt to be its key interface.  In some Apple products, the Thunderbolt port is the only port in the box.

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Market Opportunities for Active Optical Cables at 100 Gbps and Above

Active optical cable (AOC) suppliers are spreading their wings into video and consumer electronics markets, but most will remain focused on the data center – especially the HPC environment – for years to come.  In CIR’s opinion, AOC suppliers have good reasons to be optimistic in their pursuit of dollars from the data center. Higher data rates continue to lead managers to install more fiber. Multicore CPUs and many-core GPUs (graphics processing units) make the boundaries between HPC and more conventional forms of computing become fuzzier. 
 

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AOC Markets Beyond the Data Center

There can be little doubt that most of the strategic focus of the AOC manufacturers will continue to be on the data-center market for the next few years.  Here they will find a relatively mature market and a fairly clear path for further penetration of the market.  Thus we expect to see a growing range of AOCs equipped with the appropriate IB, Ethernet, and Fibre Channel connectors. However, the market for AOC sales outside of the data center is looking increasingly attractive for a number of reasons.
 

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Optics and Electronics:  Together Forever

In 1990s fantasies of the all-optical network, electronics played a minimal role.  Today it seems that the higher bandwidth demands go the more high-performance silicon is actually needed.

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Outstanding Questions About 400G Transport Deployment

Carriers worldwide are beginning to outgrow 100G transport networks and are taking the first tentative steps towards 400G backbones. CIR believes these ultra-fast networks will create major new revenue opportunities for optical components firms, silicon chipmakers and equipment companies alike. This new businesswill occur as 400G transport moves out of today's trial phase and 400G production networks are deployed. This shift is unlikely to happen in a big way for a few more years, but the foundations for success in the 400G space are being established now.

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Four Strategies for Pursuing Optical Interconnects

Over the next five years chip companies will experience an “interconnect bottleneck” that will cause them to create alternatives to current metal/electrical interconnects. The most likely technology direction will be optical, creating new opportunities for several different kinds of companies. For chipmakers, optical interconnect represents enabling technology for next-generation chips. Hence, Intel and IBM are already actively involved in optical interconnect development. For optical component companies, optical interconnect at the chip level promises an addressable market of billions of units.

CIR research indicates four strategies for firms seeking to take advantage of this new strategic direction in the semiconductor industry.

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Character of Chip-Related Optical Interconnection:  Players, Products and Opportunities

When CIR published a report on the optical interconnect market in 2010, the goal of the report at the time was to provide a full analysis of the entire optical interconnect business.  In this year’s CIR analysis we are covering the market in two reports, focusing primarily on interconnects in the chip-to-chip and on-chip sector in this volume (Volume II).  In the previously published volume (Volume I), we covered the rack-based and board-to-board part of the optical interconnect market.

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Big Data and the Future of Optical Interconnection

This research note is based on CIR’s new report, “Revenue Opportunities for Optical Interconnects: Market and Technology Forecast – 2013-2020. Vol. I Board-to-Board and Rack-Based”

CIR’s latest forecast for sales of optical interconnection devices used at the rack level and for board-to-board interconnection remains bullish. We are anticipating revenues doubling from $1.1 million to $2.2 million between 2013 and 2018. Several factors are leading to this growth.

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