Thanks to the power of the cloud, it's easier than ever to break the encryption as used with DOCSIS and EuroDOCSIS. Since version 3.0 of the standard it's also much easier for operators to counter these attacks, but despite having arrived at DOCSIS 3.1 already, not everyone already implements the DOCSIS 3.0 security. This blog post explains what the problem is, and more importantly: tells you how to protect your network.
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After the summer holidays we started working with fresh energy on a brand new large scale test set-up! It’s now fully ready and tested. Read on for details and photos.
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Although Wi-Fi operates at different frequencies than the ones used by the DOCSIS system, many interference cases have been observed. The interference can have an impact on the DOCSIS system, on the Wi-Fi system or on both.
New features and bug fixes require new software to be downloaded and installed onto a cable modem. DOCSIS defines a secure way to do this: the Secure Software Download (SSD) mechanism. This blogpost describes that mechanism and how it changes in DOCSIS 3.1.
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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.

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