MAKING THE GRADE

“Hey, OFDMA, Why Are You So Sensitive?”

By Chris Topazi – We have discussed OFDMA, its benefits and some of the lessons learned in our deployments. In this article, we seek to address a question that we are asked quite frequently from our leadership and from our field personnel—why does OFDMA appear to be more sensitive to noise than our traditional ATDMA upstream

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OFDMA and Ingress

By Chris Topazi – The alternative of allowing the customer to try and blast through this ingress will result in uncorrectable FEC codewords, and hence packet loss, when trying to use those minislots that are impaired.

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Where Did All the RF Go?

By Kraig Neese – The benefits of the new test racks continue to grow, making troubleshooting and maintaining an R-PHY environment more efficient. There is plenty more to learn as we grow our ability to monitor and troubleshoot these new DAA networks. We continue to push more functions to the remote edges of our networks and these new methods will need to adapt as we grow.

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PONder the Future

By Robert Kuse – Today’s discussion offers a view of one cable operator’s FTTH journey. We’ll share some learnings and insights we have had on our path to 10G FTTH services via remote OLTs.

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I Am Not a Security Engineer

By Michael Garramone – Attackers who really want in may keep trying, but the goal is to convince them to give up and try that other house down the street with the open window.

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“Two Roads Diverged In a Yellow Wood…”

By David Ririe – I bring up those early choices since as we move down the DAA road, there will be presented several new choices. We are looking at a second generation of nodes that will start to incorporate or align more closely with RMD functionality.

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