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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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.