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

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