What is DCI?

2 Mins read


Data Center Interconnect technology (DCI) connects two or more data centres with high-speed, packet-optical communication over short-, medium- or large distances. The Data Center houses application, data and content computing and storage resources. And getting to this data is a major problem in our cloud-based, application-centered environment. The data centres must communicate with each other – share information and content and offer redundancy back-ups. SPTel’s Data Centre Interconnect (DCI) service gives you the best DCI connection if you are looking for one.  

Fortunately, DCI technology permits the transfer of important assets across the city to ultra-long trans-Pacific or trans-Atlantic ocean connections, and all in between. Data can be sent using easy point-to-point connections, tougher ROADM-based networks or overhead systems that enable multi-vendor transport interfaces.

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Why use DCI?

The next-generation coherent optics with burning rates up to 800 gb/s per wavelength are the best transportation technology for DCI. Physically, various data centres can simply exchange resources and balance workloads with a quick, dependable link in place. Some major businesses use DCI to link their own data centres, while others link to partners, cloud providers or data centre operators to facilitate data sharing and resource sharing or address disaster retrieval needs. Subsea cables connect data centres and internet traffic between ocean-separated countries and continents. In certain DCI applications, maximum capacity and scalability are required, together with increased software control and automation, and others have the power and form-factor to redemiss some performance. To overcome scalability and distance restrictions, performance-optimized DCI solutions are required.

Distance in DCI:

The size and breadth of DCI applications may vary widely. Data centres can be spread throughout a metro region, across a country or around the world. It is vital to have sufficient performance to link them with the most bits. Optimized and consistent technology, performance can transfer a greater capacity from any distance, with programmable interfaces and various modulation techniques to precisely tune any application. Furthermore, performance-optimized systems have the capacity to transport many ROADM nodes across short underground lines and long distance routes between major cities for ROADM networks, which offer increased flexibility and resilience.

DCI distance
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Capacity is DCI:

Data centres store and provide the data required for applications. Data sets from hundreds of gigabits to terabits going into or from a data centre can be quite enormous. Routers go from 100GbE to 400GbE services at faster speeds. Network equipment must offer dependable connections of high capacity, which are rapid and easy to meet these increased bandwidth requirements. Coherent optics such as Ciena’s WaveLogicTM 5 allow data to travel up to 800 Gb/s on one wavelength to a new industry benchmark. In addition, contemporary photonic line systems have the potential to increase the useful C-band range by doubling the fibre capacity with the L-band, allowing more fibre restricted and rapid growth rates to wavelengths between data centres.

The size of the Digital Signal Processor (DSP) and the electro-optics is reduced by Footprint-optimized DCI solutions to fit into a standard pluggable factor. These connectivity connectors offer IP/optical integration without decreasing the façade density or the packet switching capacity. Spectral efficiency is less of concern and service density, a lower energy consumption and a compact footprint are essential for access, edge and metro DCI applications using Footprint-optimized systems.


In data centres, sensitive information is frequently held. The financial, personal and other company information exchanges are all vital and frequently quite sensitive. In order to prevent costly intrusions and data losses, DCI must be trustworthy, secure and even encrypted. Encryption and rigorous constraints on access to saved data are commonly used as intrusion protection and improvements in packet-optical networking technology can provide wireless, in-flight data protection encryption as it travels over an optical DCI connection.

DCI security
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About author
Breanna, with the help and support of BeDoper's audience, provides fresh news on the tech and EdTech daily to your screen. Stay connected with Breanna on FB, Twitter, and Pinterest to spice up your feeds and productivate your time.
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