FEATURE

Frontiers in PNM

By Alberto Campos — Cable has enjoyed advances in HFC network troubleshooting leveraging proactive network maintenance tools. PNM uses the intelligence of transport devices like the cable modem (CM) and the cable modem termination system (CMTS) for network maintenance purposes.

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PNM and Associated Standards

By Chris Bastian — Network architectures and operations have become more complex in the past few decades. When I began working in telecommunications in the mid-1980s, telecom networks were still using circuit switches such as the 5ESS and DMS-100.

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PNM: State-of-The-Art and 2019 Roadmap

By Larry Wolcott — I was recently sorting through some old notebooks and stumbled across a few pages that were dated 2009. The drawings and formulas were the early conception of our PNM (proactive network maintenance) signature matching algorithm.

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Full-Band Capture Takes the Stage

By Jeff Finkelstein — For anyone who has been in cable a long time, for some of us a very long time, we remember how challenging it was to troubleshoot plant impairments in the headend and field. Not just in finding and correcting, but in dealing with the equipment we used in the day.

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A Win-Win for Teleste, SOFC.nl and Cable

By Sam Khola – When Teleste and SOFC.nl Holding walked off with awards in the Adaptive Power Challenge at SCTE•ISBE Cable-Tec Expo, it was the culmination of a months-long competition that was designed to spur innovation around reducing energy usage by cable system operators.

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Training is Paramount

By Dr. Alexander C. Adams – The cable industry is at a turning point. Conceptualized as classic delivery platforms for analog video signals, broadband systems have been leveraged into flexible IP networks over the years to meet increasing customer demands.

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Ins and Outs of Network Functions Virtualization

By Paul Fonte – In just a few years, network functions virtualization (or NFV, for short) has matured from a trendy buzz word into a hallmark of next-generation network architecture. This new technology is rapidly re-shaping how our industry operates and delivers services to customers

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Beyond the Headend — It’s a Game of Numbers

By Sandy Howe – We measure business performance through numbers. They tell us about our customers, guide us in our technology decisions and show us where to improve. Opex. Capex. EBITA. ROI. Number of subscribers. Speed of network. Number of nodes. Peak times. Energy consumption. Energy 2020.

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