On 2015-4-30, at 15:04, Karlis Laivins <karlis.laivins at gmail.com> wrote: > I have yet to solve the issue of > how to get the One Way Delay for the ACK message (the time it takes ACK to > arrive from receiver of the ACK'ed data sender) correctly. That won't work without synchronized clocks, which you can't really assume to be present. Lars