DOCSIS 3.0 Archives

8 08, 2016

Top Reasons Cable Modems are not Getting Expected Speed and CMTS Monitoring

Mia Colabrese2021-08-16T20:05:30-04:00August 8th, 2016|

Cable Modems not Getting Speed - Top Reasons Cable Modems are not Getting Expected Speed and CMTS Monitoring Episode 22 Hosted by Brady Volpe of the Volpe Firm, Nimble This and Guest John Downey, CMTS Technical Leader at Cisco Systems. Today’s show we will cover cable modems not getting speed and monitoring your CMTS for proper Cable Modem State and Service Flow Operation. At the bottom John has supplied us with his presentation if you would like to listen along with viewing the slides. There were some technically issues

20 04, 2016

RF Measurements in the Cable Plant

Mia Colabrese2021-08-16T20:15:37-04:00April 20th, 2016|

RF Measurements in the Cable Plant - Learn more about RF Episode 20 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey, CMTS Technical Leader at Cisco Systems and special guest, Ron Hranac Technical Leader at Cisco Systems. Today’s show we will cover a number of topics including RF measurements and fundamentals. The discussion starts with basic building blocks of the sine wave and evolves to how QAM (quadrature amplitude modulation) signals are comprised of sine waves with varying amplitude and phase shifts, which means even though we call

18 01, 2016

May the Force be with Operational Challenges, Industry Trends, DOCSIS 3.1 and Star Wars

Mia Colabrese2021-08-16T20:24:54-04:00January 18th, 2016|

May the Force be with Operational Challenges, Industry Trends, DOCSIS 3.1 and Star Wars Episode 18 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey, CMTS Technical Leader at Cisco Systems. Today we are going to focus on your questions and provide our answers. If we don’t have answers we promise to make up answers so convincingly true that you will never know the difference. Just kidding. DOCSIS 3.1 operational challenges. In the NEWS According to Cablelabs, The certification of five vendors marks the largest

14 12, 2015

Operational Challenges – DOCSIS CMTS Challenges to Operators

Mia Colabrese2021-08-17T08:04:36-04:00December 14th, 2015|

Operational Challenges in Cable - CMTS Challenges to Operators Episode 17 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey and Steve William TWC Director, Access Network Planning, Design & Operations. Steve is also a huge supporter of the SCTE, having served as on a number of SCTE chapter and National board positions and is currently serving on our SCTE Board of Directors. Hello Steve and thanks so much for your support of the SCTE and to our industry. We will also cover operational challenges

22 07, 2015

DOCSIS – Change is Coming and it is Good

Mia Colabrese2021-11-24T09:43:56-05:00July 22nd, 2015|

DOCSIS - Change is Coming and it is Good Everyone is talking about it. Everyone in cable will be impacted by it. You may not realize it but DOCSIS 3.1 will change the cable industry — whether cable operator, vendor or consumer. Even if you don’t plan to upgrade to DOCSIS 3.1 you will be impacted. There are two fundamental technologies that DOCSIS 3.1 has me excited about. First, DOCSIS 3.1 enables gigabit speeds, which allows us to extend the life of coax cable without the expense of

13 04, 2015

DOCSIS Internet Security – internet security and recommended best practices Episode 11

Mia Colabrese2021-08-17T09:01:26-04:00April 13th, 2015|

DOCSIS Internet Security Episode 11 Brady Volpe was joined by John Downey, Dan Hegglin and Brian Wilson discussing the challenges cable operators face with DOCSIS internet security and recommended best practices they can follow to secure their networks from DDoS, DoS, DNS, High Value Targets and many more. More about Dan Hegglin of Cisco and Brain Wilson of Alcatel-Lucent Brian has been in the IT Security & Cable industry for just at 20 years. He started his career in the US Army in the Signal Corps and has worked since with many

9 03, 2015

Downstream Full Band Capture and CableLabs Winter Conferance- Episode 10

Mia Colabrese2021-08-17T09:13:56-04:00March 9th, 2015|

Brady and John cover the CableLabs Winter Conference, the press release from Broadcom and upstream expansion to 85 MHz and beyond.If you have not heard about Broadcom's press release on upstream analysis capability in the cable modem you will defiantly want to check out this video.

26 01, 2015

Full Band Capture a Spectrum Analyzer in DOCSIS Cable Modem Episode 9

Mia Colabrese2021-08-17T09:11:29-04:00January 26th, 2015|

DOCSIS 3.0 Full Band Capture and So Much More Episode 9 Hosted by Brady Volpe of the Volpe Firm and Nimble This with guest John Downey of Cisco. Brady and John cover the benefits of the latest technology available (full band capture) in DOCSIS 3.0 cable modems such as: Full band capture offering spectrum analyzer functionality in every subscriber home with DOCSIS 3.0 modem Extended transmit power allowing cable modems higher transmit power when in bonded modem with the new CableLabs ECR Built-in FTP transfer allowing local speedtest functionality PNM

22 12, 2014

DOCSIS Load Balancing Continued Episode 8

Mia Colabrese2021-08-17T09:20:34-04:00December 22nd, 2014|

DOCSIS Load Balancing Continued, DOCSIS 3.1 and other questions answered Episode 8 Hosted by Brady Volpe of the Volpe Firm and Nimble This with guest John Downey of Cisco. Brady and John cover what DOCSIS load balancing is all about, best practices for load balancing, and common challenges faced with DOCSIS load balancing. The guys also go over some Q&A from the audience and write-in questions from viewers. If you have questions about an episode or have a suggestion for a new topic write in on comments. We do

31 07, 2014

DOCSIS 3.0 Upstream and Downstream Channel Bonding

Mia Colabrese2021-08-13T16:08:00-04:00July 31st, 2014|

DOCSIS 3.0 Upstream and Downstream Bonding have many advantages Hosted by Brady Volpe of the Volpe Firm with guest John Downey of Cisco. DOCSIS 3.0 Upstream and Downstream Bonding have many Advantages. For example: DOCSIS Upstream and Downstream Pro's and Con's: DOCSIS Cable Modem service flows Partial service DOCSIS Downstream resilience Why Downstream goes bad - ingress, headend issues, household issues, off air ingress More frequencies / spectrum means more space for issues How Cable Modems chooses it's primary channel T3 timeouts Pre-equalization benefits Diplex filter uses Dynamic