On 29/08/2013 04:22, Owen DeLong wrote: > Has the path MTU been measured for all vantage point pairs? I didn't, but see http://www.nlnetlabs.nl/downloads/publications/pmtu-black-holes-msc-thesis.pdf Fig 23 (page 24) for path MTU data from roughly a year ago (thanks Benno for posting that link). Emile