Page 45 - Market Analysis Report of Optical Communications Field in China & Global market 2021

has a high-density 400GE interface, which supports the high- effectively improve product efficiency, reduce noise pollution
throughput and high-bandwidth requirements of supercomputer and computing power costs, and reduce overall energy
centers. The 400GE ultra-large-scale networking increases consumption by 20% compared with FiberHome’s previous
the number of computing nodes in a single POD, thereby generation data center products.
increasing the overall computing power.
4) Computing Power Guarantee
2) Release Computing Power FitFabric converged data center network uses the FiberHome
The FitFabric converged data center network uses RoCE data center intelligent management and control system
technology to realize the direct transmission of data in the FitControl, through the AI-based fault analysis engine, to
data buffer between two nodes in the "best effort" Ethernet realize intelligent operation and maintenance and the visibility
transmission process, which reduces the delay from of the business experience of the RoCE network, and realize
milliseconds to microseconds. At the same time, by enabling the automatic detection, location, and repair of faults.
PFC and ECN technology combined with FiberHome’s Fit AI Smart Optical Network is a solid foundation for a new
intelligent tuning algorithm to ensure that RoCE packets are generation of digital infrastructure and a key means to
not lost and the network bandwidth is guaranteed, the optimal continuously improve bandwidth and capacity. FiberHome
data center products have also been applicated in the industry
performance of the entire network is guaranteed, and 100% of for many years, and they have been widely deployed from
the computing power is released.
the underlying infrastructure to the uppermost network
3) Computing Capex Reduction equipment. In the era of digital economy, computing power is
productivity. With the official launch of the "Eastern Data and
The future development and planning of new data centers Western Calculation" project, a new wave of infrastructure will
are inseparable from green environmental protection and surely usher in the future. As the core supplier of operators,
low-carbon energy saving. FiberHome’s F-engine data FiberHome will act as a promoter in the future, relying on
center switches adopt the most advanced technology in the its deep accumulation in the industry market, FiberHome is
switching chip and have the lowest power in the industry while willing to work with customers and partners to build a new
maintaining ultra-high performance consumption. It also has national system computing hub and transportation artery to
a variety of energy-saving technologies such as zone counter- accelerate the digital transformation of the industry.
rotation, independent air ducts and angled inward bends. It can

continuing from page 48 Fig. 5 Standard single mode fiber vs SDM fiber options
submarine cable capacity. However, to further improve
the spatial efficiency ofthe cable design, the industry need
explore more revolutionary fiber solutions, which include
multicorefiber (MCF) and few-mode fiber (FMF).
Multi-core fiber (MCF) is a promising solution to overcome
cable design limitations. For example, re-designing a 48
fiber pair single core fiber cable for repeatered transmission
is a difficult task and requires significant changes to the
cable structure. Hence, 4-core MCF-based solution could
leverage the existing 12-16 fiber pair cable design to achieve a DeMux devices for the system (which are not as widely
comparable cable capacity that 48 fiber pair single-core based available as MCF fan-out devices). All things considered,
cable can offer. However, in practice, more considerations it is difficult to see a techno-commercial case for FMF in
need to be considered when discussing an adoption of MCF- subsea transmission, based on the technology available
based submarine cable systems, such as the additional losses today.
from MCF fiber and fan-out devices, which would reduce the
achievable cable capacity of MCF-based solutions relative 6. Summary
to theoretical predictions and increase cost/bit compared to Power constrained submarine systems have evolved from
singlecore fiber solution. As MCF manufacturing techniques maximizing fiber pair capacity to maximizing overall cable
continue to improve, these capacity and cost/bit predictions capacity, while balancing power-efficiency and cost per
should be periodically re-evaluated. bit. As such, submarine SDM systems are seen as essential
Few mode fiber (FMF) is another novel fiber option technology for overcoming future capacity and density
occasionally being discussed for submarine applications. FMF- challenges. In these SDM systems, fiber attenuation continues
based transmission leverages the spatial dimension by using to be the most important attribute, and smaller diameter (200
an increased cross-sectional area fiber to support multiple µm) with reduced coating fiber emerges as a frontrunner
transmission modes, which can potentially achieve an even solution to allow for higher fiber density without the need for
better density than MCF. The manufacturing process of FMF a significant cable redesign.
can also potentially be easier compared with MCF.However, Next-generation SDM fibers (such as reduced-cladding,
there are still significant challenges associated with FMF eco- reduced-coating, MCF, FMF) are also being explored for
system, such as higher FMF attenuation (which is likely to future SDM solutions, and offer certain benefits related to
exceed MCF attenuation), requirement of complicated MIMO higher density and achievable cable capacity. However, more
(Multiple Input and Multiple Output) digital signal processing work needs to be carried out to evaluate which of these future
needed for long-distance transmission, and the need for MUX/ technologies represents the best pathway for future systems.
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