Tag Archives: Technology

Updates from Ciena

How to Right-Size Your Middle-Mile Network for Rural Broadband Growth
By Mitch Simcoe – Have you ever purchased something where you didn’t plan and anticipate your future needs correctly and you ended up needing to replace it with something larger, something that can scale with greater capacity to meet your needs? Something that leaves you with a nagging feeling, that if you had just planned better from the start it would have saved you a lot of time, money and aggravation?

For example, my son recently graduated from college and the first car he went and bought was a 2-seater red convertible with a trunk that can barely hold a suitcase. Now he wants to go mountain biking and kayaking on the weekend and realized he will need to upgrade to a truck and will reluctantly have to sell the sports car.

Well, it is not hard to fall into the same trap when it comes to planning for a Middle-Mile Network for Rural Broadband. Middle-mile networks are typically fiber rings that aggregate the traffic from service provider central offices or utility substations that connect residential customers in rural areas as shown in Figure 1. Whether it’s utility co-ops, regional service providers or municipalities, all need to plan for future broadband demand on these middle-mile networks. As we have seen during the pandemic, people living in rural areas have welcomed the opportunity to work from home; they shop, consume entertainment, and access advanced education services and critical healthcare data online. The COVID-19 pandemic has only accelerated these trends: elevating high-speed reliable broadband from a “nice to have” service to an essential one, just like water or electricity. more>

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Updates from Georgia Tech

Underwater Gardens Boost Coral Diversity to Stave Off ‘Biodiversity Meltdown’
By Renay San Miguel – Corals are the foundation species of tropical reefs worldwide, but stresses ranging from overfishing to pollution to warming oceans are killing corals and degrading the critical ecosystem services they provide. Because corals build structures that make living space for many other species, scientists have known that losses of corals result in losses of other reef species. But the importance of coral species diversity for corals themselves was less understood.

A new study from two researchers at the Georgia Institute of Technology provides both hope and a potentially grim future for damaged coral reefs. In their research paper, “Biodiversity has a positive but saturating effect on imperiled coral reefs,” published October 13 in Science AdvancesCody Clements and Mark Hay found that increasing coral richness by ‘outplanting’ a diverse group of coral species together improves coral growth and survivorship. This finding may be especially important in the early stages of reef recovery following large-scale coral loss — and in supporting healthy reefs that in turn support fisheries, tourism, and coastal protection from storm surges. more>

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Updates from CIena

Distribute, virtualise, and optimise your datacentre infrastructure with Interxion’s ‘Managed Wave’ services
More enterprises than ever are distributing their datacentre infrastructure across multiple locations to boost their agility and to get closer to their cloud and content partners. If this is your case, you could benefit from DCI connectivity that’s super-fast, totally reliable, and highly cost effective, such as Interxion’s Ciena-powered Managed Wave solution, says Martin Phelps,
By Martin Phelps – In recent years, we have seen massive changes in enterprise’s collocation and connectivity needs. Until very recently, for example, most organisations only hosted equipment in two remote datacentres for backup or disaster recovery (DR) purposes. Additionally, compute, storage, and network equipment was nearly always hosted in the same facility to avoid latency and other issues that can impact performance.

Now, though, all this has changed.

The new normal is to distribute datacentre infrastructure across two or more geographically distributed locations, and not only for the purpose of DR. This approach to building out infrastructure is being driven by a number of key factors, including:

  1. Availability of datacentre space (or lack of it)
    Lack of space in tier-4 datacentres could be a challenge for Enterprises.  A distributed architecture allows them to overcome this challenge by hosting infrastructure in two or more tier-3 datacentres in active-active mode.
  2. Proximity to cloud providers and other partners
    With distributed architectures, enterprise customers can decide to host additional, virtualised infrastructure that is collocated with cloud ‘on-ramps’. This can minimise their latency and maximise app and workload performance.

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What Makes Life Meaningful? Views From 17 Advanced Economies

Family is preeminent for most publics but work, material well-being and health also play a key role
By Laura Silver, Patrick Van Kessel, Christine Huang, Laura Clancy and Sneha Gubbala – What do people value in life? How much of what gives people satisfaction in their lives is fundamental and shared across cultures, and how much is unique to a given society? To understand these and other issues, Pew Research Center posed an open-ended question about the meaning of life to nearly 19,000 adults across 17 advanced economies.

From analyzing people’s answers, it is clear that one source of meaning is predominant: family. In 14 of the 17 advanced economies surveyed, more mention their family as a source of meaning in their lives than any other factor. Highlighting their relationships with parents, siblings, children and grandchildren, people frequently mention quality time spent with their kinfolk, the pride they get from the accomplishments of their relatives and even the desire to live a life that leaves an improved world for their offspring. In Australia, New Zealand, Greece and the United States, around half or more say their family is something that makes their lives fulfilling. more>

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Fixing climate finance

Finance was at the heart of the COP26 rupture between developed and developing countries—it’s time for a new approach.
By Jeffrey D Sachs – The United Nations Climate Change Conference in Glasgow (COP26) fell far short of what is needed for a safe planet, owing mainly to the lack of trust which has burdened global climate negotiations for almost three decades. Developing countries regard climate change as a crisis caused largely by the rich countries, which they also view as shirking their historical and ongoing responsibility for the crisis. Worried that they will be left paying the bills, many key developing countries, such as India, don’t much care to negotiate or strategise.

They have a point—indeed, several points. The shoddy behaviour of the United States over three decades is not lost on them. Despite the worthy pleas for action by the US president, Joe Biden, and the climate envoy, John Kerry, Biden has been unable to push Congress to adopt a clean-energy standard. Biden can complain all he wants about China but after 29 years of congressional inaction, since the Senate ratified the UN Framework Convention on Climate Change in 1992, the rest of the world sees the truth: America’s broken and corrupt Congress remains in the pocket of Big Oil and Big Coal.

Finance is at the heart of the geopolitical rupture on climate change. Developing countries are already reeling under countless pressures: the Covid-19 pandemic, weak domestic economies, increasingly frequent and severe climate-related disasters, the multiple disruptions of the digital age, US-China tensions and high borrowing costs on international loans. They watch the rich countries borrow trillions of dollars on capital markets at near-zero interest rates, while they must pay 5-10 per cent if they can borrow at all. In short, they see their societies falling even further behind a few high-income countries. more>

Updates from McKinsey

The rise and rise of the global balance sheet: How productively are we using our wealth?
Net worth has tripled since 2000, but the increase mainly reflects valuation gains in real assets, especially real estate, rather than investment in productive assets that drive our economies.
By Jonathan Woetzel, Jan Mischke, Anu Madgavkar, Eckart Windhagen, Sven Smit, Michael Birshan, Szabolcs Kemeny, and Rebecca J. Anderson – We have borrowed a page from the corporate world—namely, the balance sheet—to take stock of the underlying health and resilience of the global economy as it begins to rebound from the COVID-19 pandemic. This view from the balance sheet complements more typical approaches based on GDP, capital investment levels, and other measures of economic flows that reflect changes in economic value. Our report, The rise of the global balance sheet: How productively are we using our wealth?, provides an in-depth look at the global economy after two decades of financial turbulence and more than ten years of heavy central bank intervention, punctuated by the pandemic.

Across ten countries that account for about 60 percent of global GDP—Australia, Canada, China, France, Germany, Japan, Mexico, Sweden, the United Kingdom, and the United States—the historic link between the growth of net worth and the growth of GDP no longer holds. While economic growth has been tepid over the past two decades in advanced economies, balance sheets and net worth that have long tracked it have tripled in size. This divergence emerged as asset prices rose—but not as a result of 21st-century trends like the growing digitization of the economy.

Rather, in an economy increasingly propelled by intangible assets like software and other intellectual property, a glut of savings has struggled to find investments offering sufficient economic returns and lasting value to investors. These savings have found their way instead into real estate, which in 2020 accounted for two-thirds of net worth. Other fixed assets that can drive economic growth made up only about 20 percent the total. Moreover, asset values are now nearly 50 percent higher than the long-run average relative to income. And for every $1 in net new investment over the past 20 years, overall liabilities have grown by almost $4, of which about $2 is debt. more>

Highly Integrated Led Driver Design for Automotive Displays

By Szukang Hsien – Displays are ubiquitous in modern cars, from instrument clusters to center stack touchscreens, head-up displays, rear-seat entertainment, and more. It is estimated that there are up to 12 displays per vehicle in today’s automobiles. The vast automotive display market is dominated by TFT-LCD technologies while OLEDs may play a significant role in the future. For TFT-LCD panels, a majority is still white LED edge-lit displays, which need precise, constant current sink to drive these LEDs.

The display receives power through multiple rails while the video signal receives power through the gigabit multimedia serial link (GMSL). It converts serial LVDS data to a parallel interface in RGB format. A high-voltage buck converter provides the main 5V or 3.3V rail, which feeds the rest of the low-voltage circuits while the high-voltage LDO provides the always-on power to the MCU. The LED driver is usually directly connected to a car battery, which is needed to support lower battery voltage for start-stop systems as well as cold-crank conditions. more>

Should humans try to modify the amount of sunlight the Earth receives?

By Daniel Ross – Desperate times call for desperate measures, as the saying goes. As scientists, policymakers and politicians keep one increasingly startled eye on climate change’s ticking clock and the other on the ongoing, upwardly mobile trend in greenhouse gas emissions, it’s no wonder possible solutions that have been long dismissed as fringe slices of science fiction are making their way into the mainstream.

Enter center stage geoengineering, a hitherto black sheep of the fight against global warming.

Geoengineering is a broadly encompassing term with a few close etymological cousins—namely climate engineering and climate change mitigation—along with a sizable stable of associated technologies. Some of them, like afforestation and ocean iron fertilization, fall under the umbrella of carbon dioxide removal (CDR) in that they seek to draw down carbon dioxide from the atmosphere. But these are techniques that would in all likelihood shift the climate change needle relatively slowly.

In comparison, technologies under the rubric of solar radiation management (SRM) are expected to work on a much faster timescale, and as a consequence, generate arguably the greater buzz. Solar engineering is the idea that humankind artificially limits how much sunlight and heat are permitted in the atmosphere, and includes the thinning of high-level cirrus clouds to help infrared rays more easily escape upward, along with the brightening of low-level marine clouds to help reflect sunlight back into space. more>

Updates from McKinsey

Protecting people from a changing climate: The case for resilience
Our new study lays bare the potential impact of climate risks for people across the globe—and underscores the need to protect the most vulnerable and build resilience.
By Harry Bowcott, Lori Fomenko, Alastair Hamilton, Mekala Krishnan, Mihir Mysore, Alexis Trittipo, and Oliver Walker – The United Nations’ 2021 Intergovernmental Panel on Climate Change (IPCC) report stated—with higher confidence than ever before—that, without meaningful decarbonization, global temperatures will rise to at least 1.5°C above preindustrial levels within the next two decades.1 This could have potentially dangerous and irreversible effects. A better understanding of how a changing climate could affect people around the world is a necessary first step toward defining solutions for protecting communities and building resilience.

As part of our knowledge partnership with Race to Resilience at the UN Climate Change Conference of the Parties (COP26) in Glasgow, we have built a detailed, global assessment of the number of people exposed to four key physical climate hazards, primarily under two different warming scenarios. This paper lays out our methodology and our conclusions from this independent assessment.

Our findings suggest the following conclusions:

  • Under a scenario with 1.5°C of warming above preindustrial levels by 2030, almost half of the world’s population could be exposed to a climate hazard related to heat stress, drought, flood, or water stress in the next decade, up from 43 percent today3 —and almost a quarter of the world’s population would be exposed to severe hazards. (For detailed explanations of these hazards and how we define “severe,” see sidebar “A climate risk analysis focused on people: Our methodology in brief.”)
  • Indeed, as severe climate events become more common, even in a scenario where the world reaches 1.5°C of warming above preindustrial levels by 2050 rather than 2030, nearly one in four people could be exposed to a severe climate hazard that could affect their lives or livelihoods.
  • Climate hazards are unevenly distributed.

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Updates from Ciena

‘Branching Out’ our learning
By Jane Hobbs & Jason Phipps – As part of the initiative to create a culture of happiness, vibrancy, and belonging, I was very excited to launch the People Promise in June 2020, a commitment that we can all make a difference, be empowered, and feel included.

Making it easier for individuals to learn and develop has always been important to us, not just about professional career growth and skill training but also on personal growth and wellbeing.

To support this, we launched this new learning experience, calling it Branch Out, as we saw the topics as a way for people to branch out their learning. Launching this platform was a powerful tool as it came at a time where it could help us cope in different ways with how the pandemic impacted our wellbeing and also still put an emphasis on having learning available 24/7 – important in Global company.

As part of the initiative to create a culture of happiness, vibrancy, and belonging, I was very excited to launch the People Promise in June 2020, a commitment that we can all make a difference, be empowered, and feel included.

Making it easier for individuals to learn and develop has always been important to us, not just about professional career growth and skill training but also on personal growth and wellbeing. more>

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