DDoS attacks have continued to increase in number and sophistication, including those that can now leverage consumer IoT devices as a part of the attack. Who is behind DDoS attacks and what is their motivation? There are different reasons why DDoS [...]
What is DOCSIS PNM and Why You Need It
By Rick Yuzzi | January 9th, 2019 |Categories: PNM, proactive network maintenance, correlation groups, DOCSIS pre-equalization, PreEqualization Analyzer, Diagnostics, Main Tap Compression, Group Delay, In Channel Frequency Response, ICFR, Micro Reflections, What is DOCSIS PNM
Diagnostics tools on a DOCSIS network have traditionallybeen part of a reactive, break-fix methodology, where the operator is notified about issues in their plant AFTER service for subscribers have been impacted. In fact, it is often complaints [...]
DOCSIS Codewords and their Importance in Monitoring RF Performance
By Rick Yuzzi | December 6th, 2018 |Categories: Codeword Errors, DOCSIS, Diagnostics, Monitoring
Codewords are a key feature and an important check on data transmission in DOCSIS networks. They are are often able to recreate bad bits of data corrupted by linear distortions and noise in the cable plant if the corruption is not too bad (a [...]
Running out of IPv4 Addresses? Here are two options.
By Rick Yuzzi | October 24th, 2018 |Categories: IPv6 migration, IPv4 Conservation, Carrier Grade NAT, CGNAT, Purchase IPv4 Addresses
If you are an ISP and haven't experienced your own IPv4 shortage yet, you most likely have heard that IPv4 addresses are getting hard to come by. This is sending many Internet providers into panic mode when they realize they are almost out. The end [...]
DMCA Deadline Affects Copyright Infringement Liability for ISPs
By Rick Yuzzi | December 29th, 2017 |Categories: Hot Topics, Industry Perspectives
There is an upcoming deadline regarding the Digital Millennium Copyright Act (DMCA) that many ISPs are just now becoming aware of. I have recently been forwarded notices sent to ISPs from associations letting them know about this new requirement, [...]
The Future of Net Neutrality
By Rick Yuzzi | December 13th, 2017 |Categories: Hot Topics, Industry Perspectives, net neutrality
The FCC tomorrow will vote on whether to repeal Obama-era Net Neutrality regulations that were put in place in 2015. Those regulations reclassified broadband as a communications service and made ISPs subject to something called Title II, which were [...]
Advantages of DOCSIS Provisioning of EPoN and GPoN
By Rick Yuzzi | August 9th, 2017 |Categories: Blog, Technology, DPoE, DPoG, EPoN, GPoN
As costs for fiber equipment and installation have come down, many Cable Operators are considering deploying fiber to offer the increased speeds their subscribers are looking for rather than DOCSIS 3.1. One of the challenges for a cable operator who [...]
Tracking Down Ingress in Your Return Path
By Rick Yuzzi | April 27th, 2016 |Categories: Technology, DOCSIS, ingress, return path, Upstream Analyzer
Every cable operator has a constant struggle with ingress. As external RF signals leak into the return path from various sources, that noise accumulates and funnels upstream to the CMTS. This cumulative effect can cause a significant impact on the [...]
Kevin Mitchell on Digital Voice Opportunities
By Rick Yuzzi | June 9th, 2015 |Categories: Ask an Expert, Blog
Voice communications remain essential to individuals and businesses. This presents great digital voice opportunities for broadband service providers, who can offer an additional service over their broadband connection and gain some significant new [...]
The Power of Welcoming New Customers
By Rick Yuzzi | February 13th, 2015 |Categories: Marketing
There are certain sales and marketing principles that are universally accepted as effective and worthwhile. For example, it is important to reinforce a customer’s purchasing decision to avoid “buyer’s remorse”. Similarly, to reduce the chance of [...]