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posted by martyb on Sunday April 19 2015, @02:19PM   Printer-friendly
from the when-does-a-video-stream-become-a-river? dept.

Ars Technica reports that Netflix is about to encrypt all its video streams with HTTPS. The feature will be rolled out in the coming year. This comes after one failed attempt six months ago.

Netflix's entry into the HTTPS party comes as privacy and security advocates are calling on all websites to encrypt all their traffic. The rationale behind the request is that continuous and complete HTTPS protection thwarts state-sponsored attacks that countries like the US and China launch from the Internet backbone. Web encryption is also useful against man-in-the-middle attacks that hijack huge chunks of Internet traffic. In both cases, HTTPS prevents the attacker from surreptitiously injecting malicious packets into the targeted data stream.

According to El Reg, this change will increase costs considerably for Netflix:

Netflix has battled with the overheads HTTPS incurs; Watson estimated a capacity hit between 30 to 53 percent thanks to encryption computational overheads and a lack of optimisations to avoid data copies to and from user space.

Such a hit would cost Netflix potentially hundreds of millions of dollars a year.

Tweaks could cut that overhead by a third while speculative advancements in the next several years could crush it by up to 80 percent.

Do we really need encrypted video streams?

 
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  • (Score: 2) by quadrox on Monday April 20 2015, @10:12AM

    by quadrox (315) on Monday April 20 2015, @10:12AM (#173091)

    I'm pretty sure that the destination/origin host for anything pertaining to your account or other sensitive matters is quite different from the host containing the actual videos. Thus it would be extremely easy to filter out all video traffic.

    Or am I wrong about that?

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