SSL still has significant overhead, Netflix did a bunch of work [1], and they still can only push 10 Gbps out of a box that used to be able to push 40 Gbps (quad port 10G nic).  1&#x2F;4th the throughput seems like a lot of overhead; and I&#x27;m a mere mortal, and can&#x27;t put TLS into my kernel.<p>[1] <a href="https:&#x2F;&#x2F;people.freebsd.org&#x2F;~rrs&#x2F;asiabsd_2015_tls.pdf" rel="nofollow">https:&#x2F;&#x2F;people.freebsd.org&#x2F;~rrs&#x2F;asiabsd_2015_tls.pdf</a>