HFC Network

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DAA 101: A Flexible Approach to Better, Faster Cable Networks

January 13, 2021

This month, we’d like to share information about Distributed Access Architecture (DAA) and how cable operators are using it to build the 10G networks of the future. In our previous posts about DOCSIS® and Coherent Optics technologies, we touched on some of the components of the cable hybrid fiber-coax (HFC) network, such as the headend and […]

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10G: Enhancing the Power of Human Connection

December 15, 2020

If 2020 has taught us anything, it’s that connectivity is essential to our wellbeing and happiness. It fosters a sense of belonging—whether it’s to our family, our school, our company or just a random group of like-minded souls. And it’s not so much about the internet or the devices we use—it’s about experiences and staying […]

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Latency 101: Getting From There to Here

December 8, 2020

Welcome back, once again, to the CableLabs 101 series! In our most recent post, we discussed the fiber portion of the hybrid fiber-coax (HFC) network, as well as the coherent optics technology that’s widely considered to be the hyper-capacity future of internet connectivity. Today, we’ll focus on a topic of growing importance for many of […]

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Coherent Optics 101: Coming at You at 0.69c

November 23, 2020

Welcome back to the CableLabs 101 series! In our previous post, we discussed the basic components of a typical hybrid fiber-coax (HFC) cable network infrastructure and the role of DOCSIS® technology in data transmission over the coaxial portion of the network. Today, we’ll focus on the fiber portion of the HFC network, as well as […]

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Cable Broadband: From DOCSIS 3.1® to DOCSIS 4.0®

November 6, 2020

In 1997, CableLabs released the very first version of Data Over Cable Service Interface Specification (DOCSIS ® technology) that enabled broadband internet service over Hybrid Fiber-Coaxial (HFC) networks.  Ever since, we’ve been making improvements, greatly enhancing network speed, capacity, latency, reliability and security with every new version. Today, cable operators use DOCSIS 3.1 technologies to […]

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Testing Bandwidth Usage of Popular Video Conferencing Applications

November 5, 2020

This year we have seen a shift toward working and learning from home and relying more on our broadband connection. Specifically, most of us use video conferencing for work, school and everyday communications. With that in mind, we looked at how much video conferencing a broadband connection can support. In the U.S., the Federal Communications […]

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A “101” on DOCSIS® Technology: The Heart of Cable Broadband

October 14, 2020

Welcome to the first installment of our CableLabs 101 series about a suite of breakthrough technologies that are instrumental in the path toward the cable industry’s 10G vision—a new era of connectivity that will revolutionize the way we live, work, learn and play. These technologies work together to further expand the capabilities of cable’s hybrid […]

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Facts You May Not Know About the Cable Industry

October 1, 2020

The cable industry has been around since 1948, first delivering broadcast TV channels, then cable TV channels starting in the 1970s and finally—cable broadband internet in 1996. The introduction of fast-speed, “always-on” cable internet changed everything. It accelerated innovation across multiple industries and created whole new markets. Just take a moment to think: how many […]

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A Fiber-Rich Cable Network: What Does It Really Mean?

September 25, 2020

Cable networks are fiber-rich, and cable operators have long invested in deploying more fiber deeper into their networks. A fiber-rich environment enables greater capacity, increased speeds and more flexibility to support a range of access technologies. Although cable broadband networks are typically composed of both fiber optic and coaxial cables, most cable customers are surprised […]

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The Cable Security Experience

August 31, 2020

We’ve all adjusted the ways we work and play and socialize in response to COVID. This has increased awareness that our broadband networks are critical – and they need to be secure. The cable industry has long focused on delivering best-in-class network security and we continue to innovate as we move on towards a 10G […]

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