DOCSIS® ONLINE Archives

Evolve or Die: Can DOCSIS 4.0 Compete with Fiber?

By Brady S. Volpe — The question we face is will DOCSIS 4.0 and future versions of DOCSIS enable us to keep up with the telecom industry’s focus on fiber deep deployment?

How Telecoms are Leveraging 5G to Attract Gamers

By Brady S. Volpe — As a cable operator, if you are the only provider in town, you’re safe for now — maybe. If you have an incumbent fiber provider, you are at tremendous risk of losing subscribers over latency.

High Latency is ‘Killing’ You

By Brady S. Volpe — Gaming is a billion-dollar industry with billions of players, and they use broadband to get there. I’ve spent a lot of time discussing the importance of low latency DOCSIS over the last couple of years on my podcast and YouTube channel.

FDX, More Options for Operators

By Brady S. Volpe — Proactive network maintenance (PNM) has been steadily growing in acceptance and popularity over the past several years with adoption amongst cable operators from Tier 1 such as Comcast all the way to the smallest Tier 4 operators.

What Can DOCSIS PNM Do For Me?

Demystifying OOB and R-PHY

By Brady S. Volpe – In this article we dive into Data-Over-Cable Service Interface Specifications (DOCSIS) remote PHY (R-PHY) testing challenges and how these can be overcome using out-of-band (OOB) channel communications.

Optimizing the DOCSIS Upstream

By Brady S. Volpe — As an industry we are fortunate to have new technologies such as DOCSIS 3.1 to support the ever-increasing demand of subscriber traffic growth. This “back-to-basics” article covers some of the fundamentals DOCSIS experts should know.

It’s All About FEC: Like a Box of Chocolates

By Brady S. Volpe and Mike Collins — We have all heard the stories of how well DOCSIS 3.1 is working. Perhaps your system has been involved in one of these stories too. One thing is true, DOCSIS 3.1 is working really well.

Full Duplex DOCSIS

By Brady S. Volpe — What is FDX DOCSIS? FDX supports the potential to scale to symmetrical throughput, whether one uses R-PHY or R-MAC/PHY. So let’s explore how FDX DOCSIS works and the benefits it has to offer. FDX DOCSIS is an extension to the DOCSIS 3.1 specification.

Show Me The Money!

By Brady S. Volpe – This article focuses on R-PHY, its benefits and how it works. FDX DOCSIS leverages R-PHY to achieve 10 Gbps symmetrical speeds in the HFC plant. One technology builds upon the other, so it is important that we lay the foundation of R-PHY so that everyone is on the same page.