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Rick Yuzzi

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Rick Yuzzi

About Rick Yuzzi

Rick is ZCorum's Vice President of Marketing. He has over 30 years experience in sales, marketing and management. Hired in 1995 to establish the sales department for a fledgling Internet Service Provider that later became ZCorum, he is now a key member of the executive team, overseeing the company’s marketing efforts.

The Shift from Traditional Cable TV to OTT and IPTV

By Rick Yuzzi | June 22nd, 2021 |Categories: OTT, Streaming, IPTV, OTT video streaming

As more and more people spend their evenings checking out the latest shows from Netflix, Amazon Prime, Disney+, HBO Max, or one of the ever-increasing streaming services out there, over-the-top (OTT) video streaming is taking over a larger share [...]

The Pending Expiration of Manufacturer CA Certificates

By Rick Yuzzi | April 21st, 2021 |Categories: CA Certificate Expiration, DOCSIS CA Certificate Expiration

Where were you when Y2K happened? If you are a cable operator, you may be impacted by your own version of this type of event.  As of May 1st, some of the Manufacturer CA certificates in cable modems were set to start expiring, and if a modem's [...]

C-Band Spectrum and and 5G Service

By Rick Yuzzi | April 21st, 2020 |Categories: 5G, Mobile, mmWave, Millimeter Wave, C-Band, mid-band spectrum

There is a lot of promise in 5G as a much faster, lower-latency mobile broadband technology. Much of the excitement has been based around millimeter wave (mmWave). While this will allow for a very fast wireless connection, a drawback to this [...]

What is DOCSIS 10G

By Rick Yuzzi | February 11th, 2020 |Categories: DOCSIS, Distributed Access Architecture, DOCSIS 4.0, Full Duplex, Extended Spectrum DOCSIS, Low Latency DOCSIS, cableLabs, 10G

At the Consumer Electronics Show in January of last year CableLabs announced their 10G initiative. The goal is to make changes in DOCSIS technology and cable plant architecture to allow for 10 Gbps transfer rates both downstream AND upstream, in [...]

Will 5G make wireline broadband obsolete?

By Rick Yuzzi | August 20th, 2019 |Categories: mmWave, Millimeter Wave, Rural Broadband, Small Cells, Wired Broadband

The buzz in the broadband industry these days is 5G. That’s not G as in Gigabytes. That’s G as in Generation. 5G is the latest generation of cellular technology, and some say that it could replace the need for wired broadband connections in the [...]

Distributed Denial of Service (DDoS): Protection & Mitigation

By Rick Yuzzi | July 9th, 2019 |Categories: DDoS Attacks, Distributed Denial of Service Attacks, Preventing DDoS attacks, traffic scrubbing

As the saying goes, an ounce of prevention is worth a pound of cure. There are some best practices that service providers should take into account to protect themselves from a DDoS attack, which can impact their network, as well as the service [...]

The Why and How of Distributed Denial of Service (DDoS) Attacks

By Rick Yuzzi | July 3rd, 2019 |Categories: DDoS Attacks, Distributed Denial of Service Attacks, Types of DDoS Attacks, Motivation for DDoS Attacks

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 [...]

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 traditionally been 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 [...]

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