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.
Read More
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.
Read More
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.
Read More
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.
Read More
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.
Read More
By Brady S. Volpe – I will cover the concept of virtual CMTS/CCAP, how it pertains to DOCSIS and why this is a disruptive technology in our industry. My name is not Morpheus and I’m not asking you to choose between a blue or red pill here, but let me start off by saying I started out as a hardware guy in the business
Read More
By Brady S. Volpe – One billion dollars plus is spent yearly on residential unmanaged Wi-Fi accounts, according to CableLabs. You heard me right and I’m not quoting Austin Powers here. How is this possible? Okay, let’s review: Subscribers’ unmanaged Wi-Fi networks are causing a ton of customer service representative (CSR)
Read MoreBy Brady S. Volpe – CCAP and Cable Modems the New Rock Stars in DOCSIS 3.1 Test. We have always known that DOCSIS rocks but it is just so much cooler than we all thought. In the winter edition of Broadband Library, I talked about how DOCSIS® 3.1 is beating expectations and performing exceptionally well in production
Read More
By Brady Volpe – Some operators are saying that the performance of DOCSIS 3.1 is proving to be better than they had expected. Those who are deploying DOCSIS 3.1 in production systems are happy to see that these modulations are not only working, but actually working in areas where they did not expect such high performance.
Read More