Excentis staff members regularly write on technical and less technical topics in our different business areas. We hope you will find some useful gems of information here. If you have any suggestions we love to hear from you on blog@excentis.com.

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The first steps in a new technology are always challenging. To control the take off for the upcoming DOCSIS 3.1 (promising a great deal of capacity potential), it helps to supplement the theory with a more practical view on things. You don’t want to launch a pilot or field trial without some prior practical experience, right? In this blog post we'll take a signal/spectrum analyzer and find out what the DOCSIS 3.1 OFDM downstream signal really looks like.
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Privacy is an integral and important part of DOCSIS because of the shared medium over which it operates (the HFC network). Since version 1.1, the authentication of cable modems is done using a chain of X.509 certificates (PKI infrastructure). This blog post explains the history of the different PKI infrastructures and how it will look like in DOCSIS 3.1.