Francois Moore
Optical Strategist
Francois Moore is the Optical Strategist for the Fujitsu 1FINITY and DWDM Optical Transmission portfolios. Previously, he worked in product planning, product management and marketing within the Fujitsu FLASHWAVE product family. Francois has over 25 years of experience in various optical transport areas, including ROADM & DWDM, G.709 & OTN, as well as SONET & Ethernet. As a lifelong learner, he is currently pursuing his Ph.D. at the University of Texas in Dallas in Telecommunications Engineering with a special interest in Open Optical Networking research.
Francois Moore
A Fujitsu Solution The first and second blogs in this series focused on the requirements for reliable transport of a synchronization reference signal. The challenge is to ensure latency and jitter budgets are met as timing and synchronization information is distributed across the optical network to support increasingly stringent time sensitive applications such as 5G
Francois Moore
The first blog in this series focused on the resurgence of synchronization transport requirements in order to support the deployment of low latency, high reliability applications such as 5G and Time Sensitive Networking (TSN) applications. What then are the requirements for transporting this new generation of synchronization reference signal across an optical network? The answer
Francois Moore
The Fyuz 2022 conference, held in Madrid in October, centered around Open RAN; Telecom Infrastructure Project (TIP); and the Metaverse. This event gathered the open network community to share progress, discuss challenges, and peer into a Metaverse-centric future. Open network technology has come a long way It’s clear from the event that open network technology
Francois Moore
And How Synchronization Requirements are Evolving Networks are made up of equipment in different locations, communicating with each other. Think of an orchestra – the conductor is the master clock, and all the musicians play their instruments (equipment) in time with the conductor and hence with each other. A harmonious melody results. Without the conductor
Francois Moore
Video Transcript: A long-haul optical transport network spans thousands of miles – say New York to Los Angeles. Each section typically carries in excess of 10 terabits per second of data. These are very high performance, high speed, and high-capacity networks. Several innovative technologies expected to revolutionize long-haul networks are just around the corner. On
Francois Moore
The 400ZR Implementation Agreement was released in March 2020. It standardized the transport of 400 Gigabit Ethernet (GbE) traffic over a coherent DWDM wavelength in a pluggable QSFP transceiver, and is intended for use in routers and switches for metro DCI applications. This was soon followed by the Open ZR+ MSA, which extends the optical
Francois Moore
Optical transport technology has undergone a fast-paced evolution in the last ten years. The industry has produced successive generations of DSPs fueling higher speeds, capacity growth, and the optical layer has been redesigned to include functionality such as flex-grid, colorless ports, Raman amplifiers, and much more. Interfaces for network management have also quickly evolved. Many
Francois Moore
The Open Optical Networking Blogs, part 5 In this blog series, Fujitsu’s Francois Moore explores the key issues and current developments in open optical networking. The topics addressed include Adding Alien Wavelengths, Controlling Multi-Vendor Optical Networks, Opening the ROADM network, Disaggregating the Transponder, and Planning with Multi-Vendor Optical Design Tools. The optical design tool is
Francois Moore
The Open Optical Networking Blogs, part 4 In this blog series, Fujitsu’s Francois Moore explores the key issues and current developments in open optical networking. The topics addressed include Adding Alien Wavelengths, Controlling Multi-Vendor Optical Networks, Opening the ROADM network, Disaggregating the Transponder, and Planning with Multi-Vendor Optical Design Tools. Another level of disaggregation is emerging:
Francois Moore
The Open Optical Networking Blogs, part 3 In this blog series, Fujitsu’s Francois Moore explores the key issues and current developments in open optical networking. The topics addressed include Adding Alien Wavelengths, Controlling Multi-Vendor Optical Networks, Opening the ROADM network, Disaggregating the Transponder, and Planning with Multi-Vendor Optical Design Tools. The first two blogs of
Francois Moore
The Open Optical Networking Blogs, part 2 In this blog series, Fujitsu’s Francois Moore explores the key issues and current developments in open optical networking. The topics addressed include Adding Alien Wavelengths, Controlling Multi-Vendor Optical Networks, Opening the ROADM network, Disaggregating the Transponder, and Planning with Multi-Vendor Optical Design Tools. My previous blog, Adding Alien Wavelengths,
Francois Moore
The Open Optical Networking Blogs, Part 1 In this blog series, Fujitsu’s Francois Moore explores the key issues and current developments in open optical networking. The topics addressed include Adding Alien Wavelengths, Controlling Multi-Vendor Optical Networks, Opening the ROADM network, Disaggregating the Transponder, and Planning with Multi-Vendor Optical Design Tools. The simplest entry point into
Francois Moore
The Open Optical Networking Blogs, IntroductionIn this blog series, Fujitsu’s Francois Moore explores the key issues and current developments in open optical networking. The topics addressed include Adding Alien Wavelengths, Controlling Multi-Vendor Optical Networks, Opening the ROADM network, Disaggregating the Transponder, and Planning with Multi-Vendor Optical Design Tools. The last five years have seen the emergence
Francois Moore
Key Recommendations for Optical Channel Planning in Flex-grid ROADM Networks The emergence of higher baud rate transponders is fueling the migration from 50GHz fixed grid ROADM networks to Flex-grid, where wavelengths can occupy a variable spectral width in increments of 12.5GHz in width and 6.25GHz in terms of central frequency. Flex-grid certainly provides service providers
Francois Moore
With swelling market demand for higher speed services such as 400GbE, or the need to increase bandwidth capacity, service providers are considering upgrading their existing fixed 50GHz grid ROADM infrastructure. But did you know it’s possible to keep your existing network while achieving both goals, and avoid the large CAPEX outlay (not to mention the
Francois Moore
The ROADM Tutorial Blogs, part 4 In this series of tutorials I explain the key functionality (and their benefits) that underpin next-generation ROADM: Colorless, Directionless, Contentionless, and Gridless (CDC-G) functionality. In this blog, I explain the second “C” – Contentionless – and the operational benefits it provides. Previous ROADMs were Contentionless First, let’s define contentionless.
Francois Moore
The ROADM Tutorial Blogs, part 3 In this series of tutorials I explain the key functionality (and their benefits) that underpin next-generation ROADMs: Colorless, Directionless, Contentionless, and Gridless (CDC-G) functionality. In this blog, I explain the “D” in CDC-G – Directionless – and the operational benefits it provides. Before Directionless – the limitations of previous
Francois Moore
The ROADM Tutorial Blogs, part 2 In this series of tutorials, I explain the key functionality (and their benefits) that underpin next-generation ROADMs: Colorless, Directionless, Contentionless, and Gridless (CDC-G) functionality. In this blog, I explain the “C” in CDC-G – Colorless – and the operational benefits it provides. Before Colorless – the limitations of previous ROADMs
Francois Moore
My previous blog discussed the advantage of increasing the baud rate of a wavelength in order to increase transport capacity without sacrificing reachable distance. One drawback of this approach is the fact that the spectral width of the wavelength increases from 50 GHz to either 75 GHz, 100 GHz or even 150 GHz depending on the selected baud rate.
Francois Moore
Even as networks struggle to adapt to changing customer patterns and surging demands for bandwidth, telecommunication providers must continue to provide reliable, cost-efficient services. This means delivering more dynamic capacity and reach at the lowest cost per bit. In today’s high-speed optical networks, two key variables affecting capacity and cost are baud rate and modulation density; both can be managed and optimized.