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Internet Related/Filtering/Firewall Thread, what makes an email account secure? in Technical; Originally Posted by Michael I suspect in future with 3G/4G and fibre broadband speeds, bandwidth will no longer be an ...
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    Quote Originally Posted by Michael View Post
    I suspect in future with 3G/4G and fibre broadband speeds, bandwidth will no longer be an issue, so in theory all webpages, e-mail and other services would use SSL or similar.
    SSL does not add that much overhead on bandwidth it is much heavier on CPU, that's why there was and probably still is a market for SSL accelerators for large sites.

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    Quote Originally Posted by SYNACK View Post
    it is much heavier on CPU
    Google doesn't use any SSL accelerators for GMail. The overhead is minimal.

    HTTPS isn't (that) expensive any more
    Yes, in the hoary old days of the 1999 web, HTTPS was quite computationally expensive. But thanks to 13 years of Moore's Law, that's no longer the case. It's still more work to set up, yes, but consider the real world case of GMail:

    "In January this year (2010), Gmail switched to using HTTPS for everything by default. Previously it had been introduced as an option, but now all of our users use HTTPS to secure their email between their browsers and Google, all the time. In order to do this we had to deploy no additional machines and no special hardware. On our production frontend machines, SSL/TLS accounts for less than 1% of the CPU load, less than 10KB of memory per connection and less than 2% of network overhead. Many people believe that SSL takes a lot of CPU time and we hope the above numbers (public for the first time) will help to dispel that." (Source)

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