In my entry on the lifetime of our fileserver infrastructure , I said that 10G Ethernet wasn'tsomething that I expected to force hardware changes on us in the nextthree years. The reason for this is pretty simple: it is too expensivenow.

Well, sort of. What is actually important is what happens because 10GEthernet is so expensive, namely that it is vanishingly rare today.Rarity matters in several ways. First and most obviously, by defaultrarity means low or no demand for

Today, I was considering reconfiguring a program to stop supportingrelatively less secure SSL connections and found myself thinking the oldrefrain of 'well, maybe there's some client that only works with the oldstuff, isn't it better for them to have some encryption rather than noencryption?'

This is a superficially attractive thought, and it's certainly an easyrefrain to fall into. It's also wrong.

From the semi-mathematical security perspective, it sounds good; havingweak encryption defeats some