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The OFC Blog

Surveying the New Optical Form Factors for 400 Gigabit Ethernet

By By Nathan Tracy, Ethernet Alliance, Lightwave, © 2017 PennWell Corp. | Posted: 5 December 2017

Targeted for massive aggregation of data across an array of applications, 400 Gigabit Ethernet (400GbE) is on schedule for standardization this year within the IEEE 802.3bs™ Ethernet Working Group. Development of new and faster electrical and optical signaling technologies is simultaneously underway across the ever-expanding Ethernet ecosystem.

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Cloud Data Center Evolution - From 0 to 400G

By Macom | Posted: 16 November 2017

Cloud services and consumer products that rely on Cloud Data Centers have created a rapid evolution in Data Center capabilities. As services like the Internet of Things (IoT), audio/video content delivery, big data processing and social media continue to demand greater speeds, the Cloud Data Center industry is making strides to create solutions that are energy efficient and easily expandable. As a result, the need for low cost 100G is creating a shift in how the industry approaches the backbone hardware that enables Cloud Data Centers to respond and expand for both commercial and consumer needs. As Cloud Data Center providers work to find energy efficient low-cost solutions, the industry is looking toward future requirements that meet these needs as well. The evolution from 0 to 100G is just the beginning.

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Making Light Work of Encryption

By Casimer DeCusatis | Posted: 23 October 2017

Encryption at the physical layer has the advantage of being the last step before your data is transmitted across a fiber optic network, so encryption can protect all the applications above the optical layer. There’s been a lot of interest in this topic, with most of the major long distance optical network equipment providers offering some form of protection. 

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Mobile fronthaul in the 5G era

By Light Counting | Posted: 5 October 2017

In the past several years, LTE networks have been upgraded using additional frequency bands, carrier aggregation, and LTE-A, and small cells have been added within macrocell coverage areas, driving up fronthaul bandwidth requirements to the point where now many operators and equipment suppliers have standardized on 10Gb/s-capable multi-rate transceivers for all their fronthaul needs, since they can meet the majority of different transport speed requirements with one device, while reducing the complexity of specific site designs and spares inventory.  Many operators, especially those leasing their fronthaul fiber, have also deployed WDM systems in their fronthaul networks, as shown below. A typical fronthaul network incorporating WDM is shown below.

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International Flair for OFC

By Casimer DeCusatis | Posted: 21 September 2017

Reflecting on the key takeaways from the 2017 OFC conference, I was struck by the increased presence of telecom operators and equipment manufacturers from rapidly growing markets such as China. While OFC remains an international event with over 65 countries represented, there’s a clear trend to support emerging internet and telecom service providers in some of the highest population density nations in the world.

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New MSA to enable four-lambda 400-gigabit modules

By Roy Rubenstein | Posted: 17 September 2017

A new 100-gigabit single-wavelength multi-source agreement (MSA) has been created to provide the industry with 2km and 10km 100-gigabit and 400-gigabit four-wavelength interfaces.
The MSA is backed by 22 founding companies including Microsoft, Alibaba and Cisco Systems.
The initiative started work two months ago and a draft specification is expected before the year end.

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Photonic Integration: Innovation from a DWDM Systems Perspective

By Harald Bock, Vice President, Network & Technology Strategy, Coriant | Posted: 7 September 2017

Existing data and cloud networks, distribution of video content, and new applications such as IoT, Smart Home, and 5G mobile are all driving the escalating demand for networking capacity. In fact, the total energy consumption of communications devices and networks has been increasing faster than the world energy consumption overall. With this growth, reducing the costs associated with increasing power consumption and footprint have become a major objective for network operators as well as equipment manufacturers.

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The Illusion of Speed Leaping

By Yuval Bachar, Principal Engineer, Data Center Architecture at LinkedIn & President and Chairman of the Board at Open19 Foundation | Posted: 9 August 2017

Now that most large data centers are in the final stages of transitioning to 100G in the networking core and moving the servers to 25G and 50G. LinkedIn's Yuval Bachar takes a look at the market and asks what is next?

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Deconstructing the Digitalization Wave

By Danish Rafique, Ph.D., ADVA Optical Networking | Posted: 4 August 2017

What does big data, artificial intelligence and the IoT mean for optical networking? Danish Rafique, Ph.D. explains "we are in an era where networks needs to be managed like a service, with all the flexibility, agility, and reliability of other business-critical platforms."

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Optical Infrastructure Management – Not Forgotten

By Glen Hunt, GlobalData | Posted: 3 April 2017

It didn’t take long before the network management and control challenges became obvious at this year’s show. With the volume of data and the exploding number of connections present in the network, the provisioning and monitoring chores are even more important now than in the past.

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The views expressed in this blog are those of the authors and do not necessarily reflect the views or policies of The Optical Fiber Communication Conference and Exposition (OFC)  or its sponsors.

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