A few weeks ago, I wrote an article on how I was able to watch YouTube while on a United flight, bypassing their layer 7 filtering techniques. Following up today, I was not surprised to see a few other articles on the subject popping up recently.
How to By Pass Deep Packet Inspection
I also just recently heard from a partner company that Meraki/Cisco was abandoning their WAN DPI technology in their access points. I am not sure from the details if this was due to poor performance from DPI , but that is what I suspect.
Lastly, even the US government is annoyed that much of the data they formally had easy access to is now being encrypted by tech companies to protect their customer base privacy.
Does this recent storm of chatter on the subject spell the end of commercial deep packet inspection? In my opinion no, not in the near term. The lure of DPI is so strong that preaching against it is like Galileo telling the church to shove off, it is going to take some time. And technically there are still many instances where DPI works quite well.
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