[Cryptography] Crypto Standards v.s. Engineering habits - Was: NIST about to weaken SHA3?

[Jerry Leichter]

On Oct 11, 2013, at 11:09 PM, James A. Donald wrote:
>> Right now we've got a TCP startup, and a TLS startup.  It's pretty messy.  Adding another startup inside isn't likely to gain popularity.
> 
> The problem is that layering creates round trips, and as cpus get ever faster, and pipes ever fatter, round trips become a bigger an bigger problem.  Legend has it that each additional round trip decreases usage of your web site by twenty percent, though I am unaware of any evidence on this.
The research is on time delays, which you could easily enough convert to round trips.  The numbers are nowhere near 20%, but are significant if you have many users:  http://googleresearch.blogspot.com/2009/06/speed-matters.html

                                                        -- Jerry