On 28 February 2013 23:06, Ryan Whelan <rcwhelan@gmail.com> wrote:
Is it possible to make route selection based on path latency? (or even
delegate path selection to an external app/program/api?)
[...] 
Any input / suggestions would be greatly appreciated!

This might sound a little too obvious, but why not just set the metric of the link to the number of micro/milliseconds measured across it?

M