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CBO DCI

Challenges in Data Center Connectivity

Business with today's high-performance networks is more worldwide distributed and flexible than ever. Companies are relocating existing servers or building new data centers at geographically dispersed locations. While today's data centers provide powerful, uninterrupted access to critical business applications and information, most data centers need to communicate, i.e. exchange data and content, or provide backups and redundancy to meet today's data applications. Through cross-connections between different data centers, they can collaborate and share resources and computing power. This involves transporting huge amounts of data at a very high speed, increasing annually, which also increases the bandwidth requirements to ensure high availability and short access times. The distance between data centers can range from a few meters to several hundred kilometers. However, if the data centers that need to be connected are too far apart, the latency time increases. Today's network devices must therefore provide reliable, high-performance connections that are easily and quickly scalable to cope with the constantly changing and growing traffic. Large data streams entering and leaving data centers must be transferred as cost-effectively as possible, especially if network traffic is or must experience constant annual growth.

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DCI Solutions with WDM Technology

Various DCI (Data Center Interconnect) technologies are used to connect two or more data centers over short, medium or long distances using fast optical links. For data centers to remain financially viable, costs must not increase at the same rate as bandwidth. To solve these problems, the industry is advancing high-speed networks with solutions that connect data centers at the lowest cost per bit. Especially for networks over leased lines in underground cables such as dark fiber, this is a significant cost saving because by using optical transceivers and the appropriate components with WDM (Wavelength Division Multiplexing) technology, data center operators are able to transmit multiple light waves over duplex fiber instead of just sending and receiving over a single wavelength. The various WDM technologies such as BIDI (Bi-Directional), CWDM (Coarse Wavelength Division Multiplexing) or DWDM (Dense Wavelength Division Multiplexing) have completely changed the way data streams are sent into the fiber. This leads to a drastic increase in available bandwidth. By wavelength multiplexing it is possible to make more use of one fiber and save costs significantly.

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CBO DCI


CBO DCI

BlueOptics DWDM Solutions from CBO

DWDM technology is the driving force behind the full utilization of glass fiber. All components used in DWDM systems have a very high precision due to the small channel spacing of the available ITU DWDM channels of 100GHz or even 50GHz. This leads to an even more drastic reduction of the costs of the DCI and a full utilization of the optical fiber in comparison to BIDI or CWDM solutions, since DWDM allows many times more data streams. With a fast and reliable DWDM connection, physically separated data centers can more easily share resources and balance workloads. DWDM systems can reach distances of several thousand kilometers on single-mode fibers in combination with corresponding fiber amplifiers. CBO offers for this technology several BlueOptics solutions for different distances in all common form factors as 100GHz or 50GHz variant for all common manufacturer systems for data center interconnect applications. All BlueOptics DWDM transceivers from CBO exclusively use high-quality components from market-leading manufacturers for lasers and ICs to achieve high precision and a long lifetime. Ask now for your individual DWDM transceiver solution from CBO.

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